Home / 40,639.40-56,080.11-22,730.94

Finding the Fourth Proportional to 40,639.40, 56,080.11 and 22,730.94

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Solution

The fourth proportional to 40,639.40, 56,080.11 and 22,730.94 is: 31,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.40 : 56,080.11 = 22,730.94 : x
  2. Step 2: Convert to fraction form
    40,639.40/56,080.11 = 22,730.94/x
  3. Step 3: Cross multiply
    40,639.40x = 56,080.11 × 22,730.94
  4. Step 4: Simplify right side
    40,639.40x = 1,274,753,615.60
  5. Step 5: Solve for x
    x = 1,274,753,615.60/40,639.40
  6. Step 6: Final answer
    x = 31,367.43

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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.