Home / 31,447.13-47,155.62-14,793.11

Finding the Fourth Proportional to 31,447.13, 47,155.62 and 14,793.11

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Solution

The fourth proportional to 31,447.13, 47,155.62 and 14,793.11 is: 22,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.13 : 47,155.62 = 14,793.11 : x
  2. Step 2: Convert to fraction form
    31,447.13/47,155.62 = 14,793.11/x
  3. Step 3: Cross multiply
    31,447.13x = 47,155.62 × 14,793.11
  4. Step 4: Simplify right side
    31,447.13x = 697,578,273.78
  5. Step 5: Solve for x
    x = 697,578,273.78/31,447.13
  6. Step 6: Final answer
    x = 22,182.57

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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.