Home / 61,080.73-84,296.06-38,439.12

Finding the Fourth Proportional to 61,080.73, 84,296.06 and 38,439.12

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Solution

The fourth proportional to 61,080.73, 84,296.06 and 38,439.12 is: 53,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,080.73 : 84,296.06 = 38,439.12 : x
  2. Step 2: Convert to fraction form
    61,080.73/84,296.06 = 38,439.12/x
  3. Step 3: Cross multiply
    61,080.73x = 84,296.06 × 38,439.12
  4. Step 4: Simplify right side
    61,080.73x = 3,240,266,365.87
  5. Step 5: Solve for x
    x = 3,240,266,365.87/61,080.73
  6. Step 6: Final answer
    x = 53,048.91

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Double scale
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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.