Home / 40,151.54-55,412.25-22,248.20

Finding the Fourth Proportional to 40,151.54, 55,412.25 and 22,248.20

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Solution

The fourth proportional to 40,151.54, 55,412.25 and 22,248.20 is: 30,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.54 : 55,412.25 = 22,248.20 : x
  2. Step 2: Convert to fraction form
    40,151.54/55,412.25 = 22,248.20/x
  3. Step 3: Cross multiply
    40,151.54x = 55,412.25 × 22,248.20
  4. Step 4: Simplify right side
    40,151.54x = 1,232,822,820.45
  5. Step 5: Solve for x
    x = 1,232,822,820.45/40,151.54
  6. Step 6: Final answer
    x = 30,704.25

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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.