Home / 42,717.43-64,052.15-17,740.68

Finding the Fourth Proportional to 42,717.43, 64,052.15 and 17,740.68

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Solution

The fourth proportional to 42,717.43, 64,052.15 and 17,740.68 is: 26,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,717.43 : 64,052.15 = 17,740.68 : x
  2. Step 2: Convert to fraction form
    42,717.43/64,052.15 = 17,740.68/x
  3. Step 3: Cross multiply
    42,717.43x = 64,052.15 × 17,740.68
  4. Step 4: Simplify right side
    42,717.43x = 1,136,328,696.46
  5. Step 5: Solve for x
    x = 1,136,328,696.46/42,717.43
  6. Step 6: Final answer
    x = 26,601.05

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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.