Home / 57,337.49-86,003.19-17,890.09

Finding the Fourth Proportional to 57,337.49, 86,003.19 and 17,890.09

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Solution

The fourth proportional to 57,337.49, 86,003.19 and 17,890.09 is: 26,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,337.49 : 86,003.19 = 17,890.09 : x
  2. Step 2: Convert to fraction form
    57,337.49/86,003.19 = 17,890.09/x
  3. Step 3: Cross multiply
    57,337.49x = 86,003.19 × 17,890.09
  4. Step 4: Simplify right side
    57,337.49x = 1,538,604,594.38
  5. Step 5: Solve for x
    x = 1,538,604,594.38/57,337.49
  6. Step 6: Final answer
    x = 26,834.18

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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.