Home / 31,352.60-47,023.42-12,372.18

Finding the Fourth Proportional to 31,352.60, 47,023.42 and 12,372.18

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Solution

The fourth proportional to 31,352.60, 47,023.42 and 12,372.18 is: 18,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.60 : 47,023.42 = 12,372.18 : x
  2. Step 2: Convert to fraction form
    31,352.60/47,023.42 = 12,372.18/x
  3. Step 3: Cross multiply
    31,352.60x = 47,023.42 × 12,372.18
  4. Step 4: Simplify right side
    31,352.60x = 581,782,216.46
  5. Step 5: Solve for x
    x = 581,782,216.46/31,352.60
  6. Step 6: Final answer
    x = 18,556.11

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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.