Home / 51,472.20-77,279.16-26,188.80

Finding the Fourth Proportional to 51,472.20, 77,279.16 and 26,188.80

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Solution

The fourth proportional to 51,472.20, 77,279.16 and 26,188.80 is: 39,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,472.20 : 77,279.16 = 26,188.80 : x
  2. Step 2: Convert to fraction form
    51,472.20/77,279.16 = 26,188.80/x
  3. Step 3: Cross multiply
    51,472.20x = 77,279.16 × 26,188.80
  4. Step 4: Simplify right side
    51,472.20x = 2,023,848,465.41
  5. Step 5: Solve for x
    x = 2,023,848,465.41/51,472.20
  6. Step 6: Final answer
    x = 39,319.25

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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.