Home / 31,377.05-47,066.15-11,400.73

Finding the Fourth Proportional to 31,377.05, 47,066.15 and 11,400.73

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Solution

The fourth proportional to 31,377.05, 47,066.15 and 11,400.73 is: 17,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.05 : 47,066.15 = 11,400.73 : x
  2. Step 2: Convert to fraction form
    31,377.05/47,066.15 = 11,400.73/x
  3. Step 3: Cross multiply
    31,377.05x = 47,066.15 × 11,400.73
  4. Step 4: Simplify right side
    31,377.05x = 536,588,468.29
  5. Step 5: Solve for x
    x = 536,588,468.29/31,377.05
  6. Step 6: Final answer
    x = 17,101.30

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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.