Home / 38,084.71-57,140.03-19,603.75

Finding the Fourth Proportional to 38,084.71, 57,140.03 and 19,603.75

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Solution

The fourth proportional to 38,084.71, 57,140.03 and 19,603.75 is: 29,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,084.71 : 57,140.03 = 19,603.75 : x
  2. Step 2: Convert to fraction form
    38,084.71/57,140.03 = 19,603.75/x
  3. Step 3: Cross multiply
    38,084.71x = 57,140.03 × 19,603.75
  4. Step 4: Simplify right side
    38,084.71x = 1,120,158,863.11
  5. Step 5: Solve for x
    x = 1,120,158,863.11/38,084.71
  6. Step 6: Final answer
    x = 29,412.30

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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.