Home / 42,186.66-63,248.75-25,542.78

Finding the Fourth Proportional to 42,186.66, 63,248.75 and 25,542.78

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Solution

The fourth proportional to 42,186.66, 63,248.75 and 25,542.78 is: 38,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,186.66 : 63,248.75 = 25,542.78 : x
  2. Step 2: Convert to fraction form
    42,186.66/63,248.75 = 25,542.78/x
  3. Step 3: Cross multiply
    42,186.66x = 63,248.75 × 25,542.78
  4. Step 4: Simplify right side
    42,186.66x = 1,615,548,637.41
  5. Step 5: Solve for x
    x = 1,615,548,637.41/42,186.66
  6. Step 6: Final answer
    x = 38,295.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.