Home / 61,146.30-91,719.45-29,975.10

Finding the Fourth Proportional to 61,146.30, 91,719.45 and 29,975.10

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Solution

The fourth proportional to 61,146.30, 91,719.45 and 29,975.10 is: 44,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,146.30 : 91,719.45 = 29,975.10 : x
  2. Step 2: Convert to fraction form
    61,146.30/91,719.45 = 29,975.10/x
  3. Step 3: Cross multiply
    61,146.30x = 91,719.45 × 29,975.10
  4. Step 4: Simplify right side
    61,146.30x = 2,749,299,685.70
  5. Step 5: Solve for x
    x = 2,749,299,685.70/61,146.30
  6. Step 6: Final answer
    x = 44,962.65

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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.