Home / 40,038.01-55,250.28-22,131.86

Finding the Fourth Proportional to 40,038.01, 55,250.28 and 22,131.86

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Solution

The fourth proportional to 40,038.01, 55,250.28 and 22,131.86 is: 30,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,038.01 : 55,250.28 = 22,131.86 : x
  2. Step 2: Convert to fraction form
    40,038.01/55,250.28 = 22,131.86/x
  3. Step 3: Cross multiply
    40,038.01x = 55,250.28 × 22,131.86
  4. Step 4: Simplify right side
    40,038.01x = 1,222,791,461.92
  5. Step 5: Solve for x
    x = 1,222,791,461.92/40,038.01
  6. Step 6: Final answer
    x = 30,540.77

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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.