Home / 43,301.46-64,960.20-13,726.74

Finding the Fourth Proportional to 43,301.46, 64,960.20 and 13,726.74

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Solution

The fourth proportional to 43,301.46, 64,960.20 and 13,726.74 is: 20,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,301.46 : 64,960.20 = 13,726.74 : x
  2. Step 2: Convert to fraction form
    43,301.46/64,960.20 = 13,726.74/x
  3. Step 3: Cross multiply
    43,301.46x = 64,960.20 × 13,726.74
  4. Step 4: Simplify right side
    43,301.46x = 891,691,775.75
  5. Step 5: Solve for x
    x = 891,691,775.75/43,301.46
  6. Step 6: Final answer
    x = 20,592.65

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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.