Home / 40,279.68-60,447.25-13,984.43

Finding the Fourth Proportional to 40,279.68, 60,447.25 and 13,984.43

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Solution

The fourth proportional to 40,279.68, 60,447.25 and 13,984.43 is: 20,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.68 : 60,447.25 = 13,984.43 : x
  2. Step 2: Convert to fraction form
    40,279.68/60,447.25 = 13,984.43/x
  3. Step 3: Cross multiply
    40,279.68x = 60,447.25 × 13,984.43
  4. Step 4: Simplify right side
    40,279.68x = 845,320,051.56
  5. Step 5: Solve for x
    x = 845,320,051.56/40,279.68
  6. Step 6: Final answer
    x = 20,986.27

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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.