Home / 51,066.13-76,599.72-15,533.20

Finding the Fourth Proportional to 51,066.13, 76,599.72 and 15,533.20

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Solution

The fourth proportional to 51,066.13, 76,599.72 and 15,533.20 is: 23,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,066.13 : 76,599.72 = 15,533.20 : x
  2. Step 2: Convert to fraction form
    51,066.13/76,599.72 = 15,533.20/x
  3. Step 3: Cross multiply
    51,066.13x = 76,599.72 × 15,533.20
  4. Step 4: Simplify right side
    51,066.13x = 1,189,838,770.70
  5. Step 5: Solve for x
    x = 1,189,838,770.70/51,066.13
  6. Step 6: Final answer
    x = 23,299.96

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.