Home / 40,719.76-56,195.76-22,815.88

Finding the Fourth Proportional to 40,719.76, 56,195.76 and 22,815.88

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Solution

The fourth proportional to 40,719.76, 56,195.76 and 22,815.88 is: 31,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.76 : 56,195.76 = 22,815.88 : x
  2. Step 2: Convert to fraction form
    40,719.76/56,195.76 = 22,815.88/x
  3. Step 3: Cross multiply
    40,719.76x = 56,195.76 × 22,815.88
  4. Step 4: Simplify right side
    40,719.76x = 1,282,155,716.67
  5. Step 5: Solve for x
    x = 1,282,155,716.67/40,719.76
  6. Step 6: Final answer
    x = 31,487.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.