Home / 47,432.50-65,456.91-26,211.76

Finding the Fourth Proportional to 47,432.50, 65,456.91 and 26,211.76

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Solution

The fourth proportional to 47,432.50, 65,456.91 and 26,211.76 is: 36,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,432.50 : 65,456.91 = 26,211.76 : x
  2. Step 2: Convert to fraction form
    47,432.50/65,456.91 = 26,211.76/x
  3. Step 3: Cross multiply
    47,432.50x = 65,456.91 × 26,211.76
  4. Step 4: Simplify right side
    47,432.50x = 1,715,741,111.86
  5. Step 5: Solve for x
    x = 1,715,741,111.86/47,432.50
  6. Step 6: Final answer
    x = 36,172.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.