Home / 31,438.76-43,385.48-17,292.52

Finding the Fourth Proportional to 31,438.76, 43,385.48 and 17,292.52

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Solution

The fourth proportional to 31,438.76, 43,385.48 and 17,292.52 is: 23,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,438.76 : 43,385.48 = 17,292.52 : x
  2. Step 2: Convert to fraction form
    31,438.76/43,385.48 = 17,292.52/x
  3. Step 3: Cross multiply
    31,438.76x = 43,385.48 × 17,292.52
  4. Step 4: Simplify right side
    31,438.76x = 750,244,280.61
  5. Step 5: Solve for x
    x = 750,244,280.61/31,438.76
  6. Step 6: Final answer
    x = 23,863.67

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1.5x scale

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.