Home / 31,149.38-46,731.96-8,962.28

Finding the Fourth Proportional to 31,149.38, 46,731.96 and 8,962.28

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Solution

The fourth proportional to 31,149.38, 46,731.96 and 8,962.28 is: 13,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,149.38 : 46,731.96 = 8,962.28 : x
  2. Step 2: Convert to fraction form
    31,149.38/46,731.96 = 8,962.28/x
  3. Step 3: Cross multiply
    31,149.38x = 46,731.96 × 8,962.28
  4. Step 4: Simplify right side
    31,149.38x = 418,824,910.47
  5. Step 5: Solve for x
    x = 418,824,910.47/31,149.38
  6. Step 6: Final answer
    x = 13,445.69

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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.