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Finding the Fourth Proportional to 40,652.90, 60,973.17 and 11,073.06

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Solution

The fourth proportional to 40,652.90, 60,973.17 and 11,073.06 is: 16,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,652.90 : 60,973.17 = 11,073.06 : x
  2. Step 2: Convert to fraction form
    40,652.90/60,973.17 = 11,073.06/x
  3. Step 3: Cross multiply
    40,652.90x = 60,973.17 × 11,073.06
  4. Step 4: Simplify right side
    40,652.90x = 675,159,569.80
  5. Step 5: Solve for x
    x = 675,159,569.80/40,652.90
  6. Step 6: Final answer
    x = 16,607.91

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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.