Home / 41,518.88-62,275.76-13,438.32

Finding the Fourth Proportional to 41,518.88, 62,275.76 and 13,438.32

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Solution

The fourth proportional to 41,518.88, 62,275.76 and 13,438.32 is: 20,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,518.88 : 62,275.76 = 13,438.32 : x
  2. Step 2: Convert to fraction form
    41,518.88/62,275.76 = 13,438.32/x
  3. Step 3: Cross multiply
    41,518.88x = 62,275.76 × 13,438.32
  4. Step 4: Simplify right side
    41,518.88x = 836,881,591.12
  5. Step 5: Solve for x
    x = 836,881,591.12/41,518.88
  6. Step 6: Final answer
    x = 20,156.65

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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.