Home / 40,157.76-55,418.92-22,251.08

Finding the Fourth Proportional to 40,157.76, 55,418.92 and 22,251.08

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Solution

The fourth proportional to 40,157.76, 55,418.92 and 22,251.08 is: 30,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.76 : 55,418.92 = 22,251.08 : x
  2. Step 2: Convert to fraction form
    40,157.76/55,418.92 = 22,251.08/x
  3. Step 3: Cross multiply
    40,157.76x = 55,418.92 × 22,251.08
  4. Step 4: Simplify right side
    40,157.76x = 1,233,130,822.43
  5. Step 5: Solve for x
    x = 1,233,130,822.43/40,157.76
  6. Step 6: Final answer
    x = 30,707.16

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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.