Home / 31,531.36-47,301.90-10,750

Finding the Fourth Proportional to 31,531.36, 47,301.90 and 10,750

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Solution

The fourth proportional to 31,531.36, 47,301.90 and 10,750 is: 16,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,531.36 : 47,301.90 = 10,750 : x
  2. Step 2: Convert to fraction form
    31,531.36/47,301.90 = 10,750/x
  3. Step 3: Cross multiply
    31,531.36x = 47,301.90 × 10,750
  4. Step 4: Simplify right side
    31,531.36x = 508,495,425
  5. Step 5: Solve for x
    x = 508,495,425/31,531.36
  6. Step 6: Final answer
    x = 16,126.66

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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.