Home / 61,622.29-85,090.61-39,001.20

Finding the Fourth Proportional to 61,622.29, 85,090.61 and 39,001.20

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Solution

The fourth proportional to 61,622.29, 85,090.61 and 39,001.20 is: 53,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,622.29 : 85,090.61 = 39,001.20 : x
  2. Step 2: Convert to fraction form
    61,622.29/85,090.61 = 39,001.20/x
  3. Step 3: Cross multiply
    61,622.29x = 85,090.61 × 39,001.20
  4. Step 4: Simplify right side
    61,622.29x = 3,318,635,898.73
  5. Step 5: Solve for x
    x = 3,318,635,898.73/61,622.29
  6. Step 6: Final answer
    x = 53,854.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.