Home / 40,179.31-55,447.95-22,275.88

Finding the Fourth Proportional to 40,179.31, 55,447.95 and 22,275.88

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Solution

The fourth proportional to 40,179.31, 55,447.95 and 22,275.88 is: 30,740.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.31 : 55,447.95 = 22,275.88 : x
  2. Step 2: Convert to fraction form
    40,179.31/55,447.95 = 22,275.88/x
  3. Step 3: Cross multiply
    40,179.31x = 55,447.95 × 22,275.88
  4. Step 4: Simplify right side
    40,179.31x = 1,235,151,880.45
  5. Step 5: Solve for x
    x = 1,235,151,880.45/40,179.31
  6. Step 6: Final answer
    x = 30,740.99

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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.