Home / 40,091.71-60,131.03-13,449.49

Finding the Fourth Proportional to 40,091.71, 60,131.03 and 13,449.49

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Solution

The fourth proportional to 40,091.71, 60,131.03 and 13,449.49 is: 20,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091.71 : 60,131.03 = 13,449.49 : x
  2. Step 2: Convert to fraction form
    40,091.71/60,131.03 = 13,449.49/x
  3. Step 3: Cross multiply
    40,091.71x = 60,131.03 × 13,449.49
  4. Step 4: Simplify right side
    40,091.71x = 808,731,318.77
  5. Step 5: Solve for x
    x = 808,731,318.77/40,091.71
  6. Step 6: Final answer
    x = 20,172.04

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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.