Home / 20,150.20-30,225.30-14,577.40

Finding the Fourth Proportional to 20,150.20, 30,225.30 and 14,577.40

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Solution

The fourth proportional to 20,150.20, 30,225.30 and 14,577.40 is: 21,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.20 : 30,225.30 = 14,577.40 : x
  2. Step 2: Convert to fraction form
    20,150.20/30,225.30 = 14,577.40/x
  3. Step 3: Cross multiply
    20,150.20x = 30,225.30 × 14,577.40
  4. Step 4: Simplify right side
    20,150.20x = 440,606,288.22
  5. Step 5: Solve for x
    x = 440,606,288.22/20,150.20
  6. Step 6: Final answer
    x = 21,866.10

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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.