Home / 40,130.60-55,381.88-22,225.61

Finding the Fourth Proportional to 40,130.60, 55,381.88 and 22,225.61

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Solution

The fourth proportional to 40,130.60, 55,381.88 and 22,225.61 is: 30,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.60 : 55,381.88 = 22,225.61 : x
  2. Step 2: Convert to fraction form
    40,130.60/55,381.88 = 22,225.61/x
  3. Step 3: Cross multiply
    40,130.60x = 55,381.88 × 22,225.61
  4. Step 4: Simplify right side
    40,130.60x = 1,230,896,259.97
  5. Step 5: Solve for x
    x = 1,230,896,259.97/40,130.60
  6. Step 6: Final answer
    x = 30,672.27

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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.