Home / 52,788.91-79,073.19-31,661.95

Finding the Fourth Proportional to 52,788.91, 79,073.19 and 31,661.95

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Solution

The fourth proportional to 52,788.91, 79,073.19 and 31,661.95 is: 47,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.91 : 79,073.19 = 31,661.95 : x
  2. Step 2: Convert to fraction form
    52,788.91/79,073.19 = 31,661.95/x
  3. Step 3: Cross multiply
    52,788.91x = 79,073.19 × 31,661.95
  4. Step 4: Simplify right side
    52,788.91x = 2,503,611,388.12
  5. Step 5: Solve for x
    x = 2,503,611,388.12/52,788.91
  6. Step 6: Final answer
    x = 47,426.84

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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.