Home / 51,981.20-77,998.80-24,279.20

Finding the Fourth Proportional to 51,981.20, 77,998.80 and 24,279.20

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Solution

The fourth proportional to 51,981.20, 77,998.80 and 24,279.20 is: 36,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981.20 : 77,998.80 = 24,279.20 : x
  2. Step 2: Convert to fraction form
    51,981.20/77,998.80 = 24,279.20/x
  3. Step 3: Cross multiply
    51,981.20x = 77,998.80 × 24,279.20
  4. Step 4: Simplify right side
    51,981.20x = 1,893,748,464.96
  5. Step 5: Solve for x
    x = 1,893,748,464.96/51,981.20
  6. Step 6: Final answer
    x = 36,431.41

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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.