Home / 38,350.68-57,488.88-19,639.53

Finding the Fourth Proportional to 38,350.68, 57,488.88 and 19,639.53

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Solution

The fourth proportional to 38,350.68, 57,488.88 and 19,639.53 is: 29,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,350.68 : 57,488.88 = 19,639.53 : x
  2. Step 2: Convert to fraction form
    38,350.68/57,488.88 = 19,639.53/x
  3. Step 3: Cross multiply
    38,350.68x = 57,488.88 × 19,639.53
  4. Step 4: Simplify right side
    38,350.68x = 1,129,054,583.43
  5. Step 5: Solve for x
    x = 1,129,054,583.43/38,350.68
  6. Step 6: Final answer
    x = 29,440.28

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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.