Home / 40,306.71-55,623.55-22,157.77

Finding the Fourth Proportional to 40,306.71, 55,623.55 and 22,157.77

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Solution

The fourth proportional to 40,306.71, 55,623.55 and 22,157.77 is: 30,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,306.71 : 55,623.55 = 22,157.77 : x
  2. Step 2: Convert to fraction form
    40,306.71/55,623.55 = 22,157.77/x
  3. Step 3: Cross multiply
    40,306.71x = 55,623.55 × 22,157.77
  4. Step 4: Simplify right side
    40,306.71x = 1,232,493,827.48
  5. Step 5: Solve for x
    x = 1,232,493,827.48/40,306.71
  6. Step 6: Final answer
    x = 30,577.88

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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.