Home / 40,328.16-55,654.68-22,424.88

Finding the Fourth Proportional to 40,328.16, 55,654.68 and 22,424.88

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Solution

The fourth proportional to 40,328.16, 55,654.68 and 22,424.88 is: 30,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328.16 : 55,654.68 = 22,424.88 : x
  2. Step 2: Convert to fraction form
    40,328.16/55,654.68 = 22,424.88/x
  3. Step 3: Cross multiply
    40,328.16x = 55,654.68 × 22,424.88
  4. Step 4: Simplify right side
    40,328.16x = 1,248,049,520.44
  5. Step 5: Solve for x
    x = 1,248,049,520.44/40,328.16
  6. Step 6: Final answer
    x = 30,947.35

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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.