Home / 38,129.52-57,178.08-20,594.64

Finding the Fourth Proportional to 38,129.52, 57,178.08 and 20,594.64

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Solution

The fourth proportional to 38,129.52, 57,178.08 and 20,594.64 is: 30,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,129.52 : 57,178.08 = 20,594.64 : x
  2. Step 2: Convert to fraction form
    38,129.52/57,178.08 = 20,594.64/x
  3. Step 3: Cross multiply
    38,129.52x = 57,178.08 × 20,594.64
  4. Step 4: Simplify right side
    38,129.52x = 1,177,561,973.49
  5. Step 5: Solve for x
    x = 1,177,561,973.49/38,129.52
  6. Step 6: Final answer
    x = 30,883.21

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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.