Home / 40,168.85-55,432.16-22,263.70

Finding the Fourth Proportional to 40,168.85, 55,432.16 and 22,263.70

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Solution

The fourth proportional to 40,168.85, 55,432.16 and 22,263.70 is: 30,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,168.85 : 55,432.16 = 22,263.70 : x
  2. Step 2: Convert to fraction form
    40,168.85/55,432.16 = 22,263.70/x
  3. Step 3: Cross multiply
    40,168.85x = 55,432.16 × 22,263.70
  4. Step 4: Simplify right side
    40,168.85x = 1,234,124,980.59
  5. Step 5: Solve for x
    x = 1,234,124,980.59/40,168.85
  6. Step 6: Final answer
    x = 30,723.43

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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.