Home / 52,267.86-72,129.84-30,758.43

Finding the Fourth Proportional to 52,267.86, 72,129.84 and 30,758.43

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Solution

The fourth proportional to 52,267.86, 72,129.84 and 30,758.43 is: 42,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,267.86 : 72,129.84 = 30,758.43 : x
  2. Step 2: Convert to fraction form
    52,267.86/72,129.84 = 30,758.43/x
  3. Step 3: Cross multiply
    52,267.86x = 72,129.84 × 30,758.43
  4. Step 4: Simplify right side
    52,267.86x = 2,218,600,634.55
  5. Step 5: Solve for x
    x = 2,218,600,634.55/52,267.86
  6. Step 6: Final answer
    x = 42,446.75

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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.