Home / 38,298.72-57,456.18-19,334.16

Finding the Fourth Proportional to 38,298.72, 57,456.18 and 19,334.16

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Solution

The fourth proportional to 38,298.72, 57,456.18 and 19,334.16 is: 29,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.72 : 57,456.18 = 19,334.16 : x
  2. Step 2: Convert to fraction form
    38,298.72/57,456.18 = 19,334.16/x
  3. Step 3: Cross multiply
    38,298.72x = 57,456.18 × 19,334.16
  4. Step 4: Simplify right side
    38,298.72x = 1,110,866,977.11
  5. Step 5: Solve for x
    x = 1,110,866,977.11/38,298.72
  6. Step 6: Final answer
    x = 29,005.33

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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.