Home / 38,177.90-52,685.91-21,182.54

Finding the Fourth Proportional to 38,177.90, 52,685.91 and 21,182.54

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Solution

The fourth proportional to 38,177.90, 52,685.91 and 21,182.54 is: 29,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,177.90 : 52,685.91 = 21,182.54 : x
  2. Step 2: Convert to fraction form
    38,177.90/52,685.91 = 21,182.54/x
  3. Step 3: Cross multiply
    38,177.90x = 52,685.91 × 21,182.54
  4. Step 4: Simplify right side
    38,177.90x = 1,116,021,132.58
  5. Step 5: Solve for x
    x = 1,116,021,132.58/38,177.90
  6. Step 6: Final answer
    x = 29,232.13

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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.