Home / 31,520.14-47,294.56-11,800.23

Finding the Fourth Proportional to 31,520.14, 47,294.56 and 11,800.23

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Solution

The fourth proportional to 31,520.14, 47,294.56 and 11,800.23 is: 17,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.14 : 47,294.56 = 11,800.23 : x
  2. Step 2: Convert to fraction form
    31,520.14/47,294.56 = 11,800.23/x
  3. Step 3: Cross multiply
    31,520.14x = 47,294.56 × 11,800.23
  4. Step 4: Simplify right side
    31,520.14x = 558,086,656.25
  5. Step 5: Solve for x
    x = 558,086,656.25/31,520.14
  6. Step 6: Final answer
    x = 17,705.72

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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.