Home / 32,988.72-49,487.92-11,930.34

Finding the Fourth Proportional to 32,988.72, 49,487.92 and 11,930.34

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Solution

The fourth proportional to 32,988.72, 49,487.92 and 11,930.34 is: 17,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,988.72 : 49,487.92 = 11,930.34 : x
  2. Step 2: Convert to fraction form
    32,988.72/49,487.92 = 11,930.34/x
  3. Step 3: Cross multiply
    32,988.72x = 49,487.92 × 11,930.34
  4. Step 4: Simplify right side
    32,988.72x = 590,407,711.49
  5. Step 5: Solve for x
    x = 590,407,711.49/32,988.72
  6. Step 6: Final answer
    x = 17,897.26

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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.