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Finding the Fourth Proportional to 42,757.38, 59,003.97 and 23,894.51

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Solution

The fourth proportional to 42,757.38, 59,003.97 and 23,894.51 is: 32,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,757.38 : 59,003.97 = 23,894.51 : x
  2. Step 2: Convert to fraction form
    42,757.38/59,003.97 = 23,894.51/x
  3. Step 3: Cross multiply
    42,757.38x = 59,003.97 × 23,894.51
  4. Step 4: Simplify right side
    42,757.38x = 1,409,870,656.18
  5. Step 5: Solve for x
    x = 1,409,870,656.18/42,757.38
  6. Step 6: Final answer
    x = 32,973.74

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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.