Home / 31,577.32-47,352.20-16,782.68

Finding the Fourth Proportional to 31,577.32, 47,352.20 and 16,782.68

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Solution

The fourth proportional to 31,577.32, 47,352.20 and 16,782.68 is: 25,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.32 : 47,352.20 = 16,782.68 : x
  2. Step 2: Convert to fraction form
    31,577.32/47,352.20 = 16,782.68/x
  3. Step 3: Cross multiply
    31,577.32x = 47,352.20 × 16,782.68
  4. Step 4: Simplify right side
    31,577.32x = 794,696,819.90
  5. Step 5: Solve for x
    x = 794,696,819.90/31,577.32
  6. Step 6: Final answer
    x = 25,166.70

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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.