Home / 38,385.90-57,643.65-25,296.30

Finding the Fourth Proportional to 38,385.90, 57,643.65 and 25,296.30

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Solution

The fourth proportional to 38,385.90, 57,643.65 and 25,296.30 is: 37,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.90 : 57,643.65 = 25,296.30 : x
  2. Step 2: Convert to fraction form
    38,385.90/57,643.65 = 25,296.30/x
  3. Step 3: Cross multiply
    38,385.90x = 57,643.65 × 25,296.30
  4. Step 4: Simplify right side
    38,385.90x = 1,458,171,063.50
  5. Step 5: Solve for x
    x = 1,458,171,063.50/38,385.90
  6. Step 6: Final answer
    x = 37,987.15

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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.