Home / 31,434.28-47,151.72-9,248.08

Finding the Fourth Proportional to 31,434.28, 47,151.72 and 9,248.08

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Solution

The fourth proportional to 31,434.28, 47,151.72 and 9,248.08 is: 13,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434.28 : 47,151.72 = 9,248.08 : x
  2. Step 2: Convert to fraction form
    31,434.28/47,151.72 = 9,248.08/x
  3. Step 3: Cross multiply
    31,434.28x = 47,151.72 × 9,248.08
  4. Step 4: Simplify right side
    31,434.28x = 436,062,878.70
  5. Step 5: Solve for x
    x = 436,062,878.70/31,434.28
  6. Step 6: Final answer
    x = 13,872.21

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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.