Home / 31,337.12-47,001.04-9,144.54

Finding the Fourth Proportional to 31,337.12, 47,001.04 and 9,144.54

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Solution

The fourth proportional to 31,337.12, 47,001.04 and 9,144.54 is: 13,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.12 : 47,001.04 = 9,144.54 : x
  2. Step 2: Convert to fraction form
    31,337.12/47,001.04 = 9,144.54/x
  3. Step 3: Cross multiply
    31,337.12x = 47,001.04 × 9,144.54
  4. Step 4: Simplify right side
    31,337.12x = 429,802,890.32
  5. Step 5: Solve for x
    x = 429,802,890.32/31,337.12
  6. Step 6: Final answer
    x = 13,715.46

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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.