Home / 40,639.55-56,079.96-22,731.45

Finding the Fourth Proportional to 40,639.55, 56,079.96 and 22,731.45

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Solution

The fourth proportional to 40,639.55, 56,079.96 and 22,731.45 is: 31,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.55 : 56,079.96 = 22,731.45 : x
  2. Step 2: Convert to fraction form
    40,639.55/56,079.96 = 22,731.45/x
  3. Step 3: Cross multiply
    40,639.55x = 56,079.96 × 22,731.45
  4. Step 4: Simplify right side
    40,639.55x = 1,274,778,806.74
  5. Step 5: Solve for x
    x = 1,274,778,806.74/40,639.55
  6. Step 6: Final answer
    x = 31,367.94

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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.