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Finding the Fourth Proportional to 42,569.74, 58,716.03 and 36,152.02

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Solution

The fourth proportional to 42,569.74, 58,716.03 and 36,152.02 is: 49,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,569.74 : 58,716.03 = 36,152.02 : x
  2. Step 2: Convert to fraction form
    42,569.74/58,716.03 = 36,152.02/x
  3. Step 3: Cross multiply
    42,569.74x = 58,716.03 × 36,152.02
  4. Step 4: Simplify right side
    42,569.74x = 2,122,703,090.88
  5. Step 5: Solve for x
    x = 2,122,703,090.88/42,569.74
  6. Step 6: Final answer
    x = 49,864.13

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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.