Home / 31,561.44-47,337.36-19,838.88

Finding the Fourth Proportional to 31,561.44, 47,337.36 and 19,838.88

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Solution

The fourth proportional to 31,561.44, 47,337.36 and 19,838.88 is: 29,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561.44 : 47,337.36 = 19,838.88 : x
  2. Step 2: Convert to fraction form
    31,561.44/47,337.36 = 19,838.88/x
  3. Step 3: Cross multiply
    31,561.44x = 47,337.36 × 19,838.88
  4. Step 4: Simplify right side
    31,561.44x = 939,120,204.56
  5. Step 5: Solve for x
    x = 939,120,204.56/31,561.44
  6. Step 6: Final answer
    x = 29,755.30

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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.