Home / 31,934.29-47,901.43-9,747.78

Finding the Fourth Proportional to 31,934.29, 47,901.43 and 9,747.78

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Solution

The fourth proportional to 31,934.29, 47,901.43 and 9,747.78 is: 14,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,934.29 : 47,901.43 = 9,747.78 : x
  2. Step 2: Convert to fraction form
    31,934.29/47,901.43 = 9,747.78/x
  3. Step 3: Cross multiply
    31,934.29x = 47,901.43 × 9,747.78
  4. Step 4: Simplify right side
    31,934.29x = 466,932,601.33
  5. Step 5: Solve for x
    x = 466,932,601.33/31,934.29
  6. Step 6: Final answer
    x = 14,621.67

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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.