Home / 61,721.13-92,511.66-28,372.29

Finding the Fourth Proportional to 61,721.13, 92,511.66 and 28,372.29

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Solution

The fourth proportional to 61,721.13, 92,511.66 and 28,372.29 is: 42,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,721.13 : 92,511.66 = 28,372.29 : x
  2. Step 2: Convert to fraction form
    61,721.13/92,511.66 = 28,372.29/x
  3. Step 3: Cross multiply
    61,721.13x = 92,511.66 × 28,372.29
  4. Step 4: Simplify right side
    61,721.13x = 2,624,767,645.90
  5. Step 5: Solve for x
    x = 2,624,767,645.90/61,721.13
  6. Step 6: Final answer
    x = 42,526.24

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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.