Home / 31,337.62-47,001.78-9,145.03

Finding the Fourth Proportional to 31,337.62, 47,001.78 and 9,145.03

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Solution

The fourth proportional to 31,337.62, 47,001.78 and 9,145.03 is: 13,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.62 : 47,001.78 = 9,145.03 : x
  2. Step 2: Convert to fraction form
    31,337.62/47,001.78 = 9,145.03/x
  3. Step 3: Cross multiply
    31,337.62x = 47,001.78 × 9,145.03
  4. Step 4: Simplify right side
    31,337.62x = 429,832,688.15
  5. Step 5: Solve for x
    x = 429,832,688.15/31,337.62
  6. Step 6: Final answer
    x = 13,716.19

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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.