Home / 40,478.33-55,853.48-22,572.88

Finding the Fourth Proportional to 40,478.33, 55,853.48 and 22,572.88

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Solution

The fourth proportional to 40,478.33, 55,853.48 and 22,572.88 is: 31,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.33 : 55,853.48 = 22,572.88 : x
  2. Step 2: Convert to fraction form
    40,478.33/55,853.48 = 22,572.88/x
  3. Step 3: Cross multiply
    40,478.33x = 55,853.48 × 22,572.88
  4. Step 4: Simplify right side
    40,478.33x = 1,260,773,818.42
  5. Step 5: Solve for x
    x = 1,260,773,818.42/40,478.33
  6. Step 6: Final answer
    x = 31,146.88

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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.