Home / 31,427.59-47,110.24-14,757.78

Finding the Fourth Proportional to 31,427.59, 47,110.24 and 14,757.78

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Solution

The fourth proportional to 31,427.59, 47,110.24 and 14,757.78 is: 22,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.59 : 47,110.24 = 14,757.78 : x
  2. Step 2: Convert to fraction form
    31,427.59/47,110.24 = 14,757.78/x
  3. Step 3: Cross multiply
    31,427.59x = 47,110.24 × 14,757.78
  4. Step 4: Simplify right side
    31,427.59x = 695,242,487.78
  5. Step 5: Solve for x
    x = 695,242,487.78/31,427.59
  6. Step 6: Final answer
    x = 22,122.05

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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.