Home / 54,521.73-75,242.16-30,648.33

Finding the Fourth Proportional to 54,521.73, 75,242.16 and 30,648.33

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Solution

The fourth proportional to 54,521.73, 75,242.16 and 30,648.33 is: 42,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,521.73 : 75,242.16 = 30,648.33 : x
  2. Step 2: Convert to fraction form
    54,521.73/75,242.16 = 30,648.33/x
  3. Step 3: Cross multiply
    54,521.73x = 75,242.16 × 30,648.33
  4. Step 4: Simplify right side
    54,521.73x = 2,306,046,549.59
  5. Step 5: Solve for x
    x = 2,306,046,549.59/54,521.73
  6. Step 6: Final answer
    x = 42,295.92

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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.