Home / 60,691.10-91,047.59-18,570.39

Finding the Fourth Proportional to 60,691.10, 91,047.59 and 18,570.39

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Solution

The fourth proportional to 60,691.10, 91,047.59 and 18,570.39 is: 27,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691.10 : 91,047.59 = 18,570.39 : x
  2. Step 2: Convert to fraction form
    60,691.10/91,047.59 = 18,570.39/x
  3. Step 3: Cross multiply
    60,691.10x = 91,047.59 × 18,570.39
  4. Step 4: Simplify right side
    60,691.10x = 1,690,789,301.29
  5. Step 5: Solve for x
    x = 1,690,789,301.29/60,691.10
  6. Step 6: Final answer
    x = 27,858.94

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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.