Home / 31,422.74-47,124.09-10,358.85

Finding the Fourth Proportional to 31,422.74, 47,124.09 and 10,358.85

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Solution

The fourth proportional to 31,422.74, 47,124.09 and 10,358.85 is: 15,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.74 : 47,124.09 = 10,358.85 : x
  2. Step 2: Convert to fraction form
    31,422.74/47,124.09 = 10,358.85/x
  3. Step 3: Cross multiply
    31,422.74x = 47,124.09 × 10,358.85
  4. Step 4: Simplify right side
    31,422.74x = 488,151,379.70
  5. Step 5: Solve for x
    x = 488,151,379.70/31,422.74
  6. Step 6: Final answer
    x = 15,534.97

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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.