Home / 40,639.28-56,080.92-22,734.60

Finding the Fourth Proportional to 40,639.28, 56,080.92 and 22,734.60

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Solution

The fourth proportional to 40,639.28, 56,080.92 and 22,734.60 is: 31,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.28 : 56,080.92 = 22,734.60 : x
  2. Step 2: Convert to fraction form
    40,639.28/56,080.92 = 22,734.60/x
  3. Step 3: Cross multiply
    40,639.28x = 56,080.92 × 22,734.60
  4. Step 4: Simplify right side
    40,639.28x = 1,274,977,283.83
  5. Step 5: Solve for x
    x = 1,274,977,283.83/40,639.28
  6. Step 6: Final answer
    x = 31,373.03

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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.