Home / 40,279.32-60,425.46-13,991.58

Finding the Fourth Proportional to 40,279.32, 60,425.46 and 13,991.58

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Solution

The fourth proportional to 40,279.32, 60,425.46 and 13,991.58 is: 20,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.32 : 60,425.46 = 13,991.58 : x
  2. Step 2: Convert to fraction form
    40,279.32/60,425.46 = 13,991.58/x
  3. Step 3: Cross multiply
    40,279.32x = 60,425.46 × 13,991.58
  4. Step 4: Simplify right side
    40,279.32x = 845,447,657.63
  5. Step 5: Solve for x
    x = 845,447,657.63/40,279.32
  6. Step 6: Final answer
    x = 20,989.62

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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.