Home / 38,285.05-57,439.28-19,578.23

Finding the Fourth Proportional to 38,285.05, 57,439.28 and 19,578.23

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Solution

The fourth proportional to 38,285.05, 57,439.28 and 19,578.23 is: 29,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.05 : 57,439.28 = 19,578.23 : x
  2. Step 2: Convert to fraction form
    38,285.05/57,439.28 = 19,578.23/x
  3. Step 3: Cross multiply
    38,285.05x = 57,439.28 × 19,578.23
  4. Step 4: Simplify right side
    38,285.05x = 1,124,559,434.87
  5. Step 5: Solve for x
    x = 1,124,559,434.87/38,285.05
  6. Step 6: Final answer
    x = 29,373.33

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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.