Home / 30,129.18-45,184.63-9,063.62

Finding the Fourth Proportional to 30,129.18, 45,184.63 and 9,063.62

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Solution

The fourth proportional to 30,129.18, 45,184.63 and 9,063.62 is: 13,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,129.18 : 45,184.63 = 9,063.62 : x
  2. Step 2: Convert to fraction form
    30,129.18/45,184.63 = 9,063.62/x
  3. Step 3: Cross multiply
    30,129.18x = 45,184.63 × 9,063.62
  4. Step 4: Simplify right side
    30,129.18x = 409,536,316.16
  5. Step 5: Solve for x
    x = 409,536,316.16/30,129.18
  6. Step 6: Final answer
    x = 13,592.68

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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.