Home / 38,357.45-57,498.98-19,646.31

Finding the Fourth Proportional to 38,357.45, 57,498.98 and 19,646.31

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Solution

The fourth proportional to 38,357.45, 57,498.98 and 19,646.31 is: 29,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.45 : 57,498.98 = 19,646.31 : x
  2. Step 2: Convert to fraction form
    38,357.45/57,498.98 = 19,646.31/x
  3. Step 3: Cross multiply
    38,357.45x = 57,498.98 × 19,646.31
  4. Step 4: Simplify right side
    38,357.45x = 1,129,642,687.53
  5. Step 5: Solve for x
    x = 1,129,642,687.53/38,357.45
  6. Step 6: Final answer
    x = 29,450.42

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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.