Home / 31,565.36-47,348.04-10,789.04

Finding the Fourth Proportional to 31,565.36, 47,348.04 and 10,789.04

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Solution

The fourth proportional to 31,565.36, 47,348.04 and 10,789.04 is: 16,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.36 : 47,348.04 = 10,789.04 : x
  2. Step 2: Convert to fraction form
    31,565.36/47,348.04 = 10,789.04/x
  3. Step 3: Cross multiply
    31,565.36x = 47,348.04 × 10,789.04
  4. Step 4: Simplify right side
    31,565.36x = 510,839,897.48
  5. Step 5: Solve for x
    x = 510,839,897.48/31,565.36
  6. Step 6: Final answer
    x = 16,183.56

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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.