Home / 61,288.27-91,849.35-31,726.86

Finding the Fourth Proportional to 61,288.27, 91,849.35 and 31,726.86

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Solution

The fourth proportional to 61,288.27, 91,849.35 and 31,726.86 is: 47,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,288.27 : 91,849.35 = 31,726.86 : x
  2. Step 2: Convert to fraction form
    61,288.27/91,849.35 = 31,726.86/x
  3. Step 3: Cross multiply
    61,288.27x = 91,849.35 × 31,726.86
  4. Step 4: Simplify right side
    61,288.27x = 2,914,091,243.08
  5. Step 5: Solve for x
    x = 2,914,091,243.08/61,288.27
  6. Step 6: Final answer
    x = 47,547.29

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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.