Home / 31,820.13-47,697.39-14,294.97

Finding the Fourth Proportional to 31,820.13, 47,697.39 and 14,294.97

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Solution

The fourth proportional to 31,820.13, 47,697.39 and 14,294.97 is: 21,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.13 : 47,697.39 = 14,294.97 : x
  2. Step 2: Convert to fraction form
    31,820.13/47,697.39 = 14,294.97/x
  3. Step 3: Cross multiply
    31,820.13x = 47,697.39 × 14,294.97
  4. Step 4: Simplify right side
    31,820.13x = 681,832,759.13
  5. Step 5: Solve for x
    x = 681,832,759.13/31,820.13
  6. Step 6: Final answer
    x = 21,427.72

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1.5x scale

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.