Home / 38,250.90-57,393.36-19,521.05

Finding the Fourth Proportional to 38,250.90, 57,393.36 and 19,521.05

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Solution

The fourth proportional to 38,250.90, 57,393.36 and 19,521.05 is: 29,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,250.90 : 57,393.36 = 19,521.05 : x
  2. Step 2: Convert to fraction form
    38,250.90/57,393.36 = 19,521.05/x
  3. Step 3: Cross multiply
    38,250.90x = 57,393.36 × 19,521.05
  4. Step 4: Simplify right side
    38,250.90x = 1,120,378,363.26
  5. Step 5: Solve for x
    x = 1,120,378,363.26/38,250.90
  6. Step 6: Final answer
    x = 29,290.25

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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.