Home / 52,755.17-72,802.13-28,881.81

Finding the Fourth Proportional to 52,755.17, 72,802.13 and 28,881.81

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Solution

The fourth proportional to 52,755.17, 72,802.13 and 28,881.81 is: 39,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,755.17 : 72,802.13 = 28,881.81 : x
  2. Step 2: Convert to fraction form
    52,755.17/72,802.13 = 28,881.81/x
  3. Step 3: Cross multiply
    52,755.17x = 72,802.13 × 28,881.81
  4. Step 4: Simplify right side
    52,755.17x = 2,102,657,141.85
  5. Step 5: Solve for x
    x = 2,102,657,141.85/52,755.17
  6. Step 6: Final answer
    x = 39,856.90

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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.