Home / 38,357.20-57,498.60-19,646.06

Finding the Fourth Proportional to 38,357.20, 57,498.60 and 19,646.06

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Solution

The fourth proportional to 38,357.20, 57,498.60 and 19,646.06 is: 29,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.20 : 57,498.60 = 19,646.06 : x
  2. Step 2: Convert to fraction form
    38,357.20/57,498.60 = 19,646.06/x
  3. Step 3: Cross multiply
    38,357.20x = 57,498.60 × 19,646.06
  4. Step 4: Simplify right side
    38,357.20x = 1,129,620,945.52
  5. Step 5: Solve for x
    x = 1,129,620,945.52/38,357.20
  6. Step 6: Final answer
    x = 29,450.04

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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.