Home / 51,303.52-76,981.92-38,819.85

Finding the Fourth Proportional to 51,303.52, 76,981.92 and 38,819.85

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Solution

The fourth proportional to 51,303.52, 76,981.92 and 38,819.85 is: 58,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,303.52 : 76,981.92 = 38,819.85 : x
  2. Step 2: Convert to fraction form
    51,303.52/76,981.92 = 38,819.85/x
  3. Step 3: Cross multiply
    51,303.52x = 76,981.92 × 38,819.85
  4. Step 4: Simplify right side
    51,303.52x = 2,988,426,587.11
  5. Step 5: Solve for x
    x = 2,988,426,587.11/51,303.52
  6. Step 6: Final answer
    x = 58,249.93

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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.