Home / 38,442.96-57,614.20-19,707.12

Finding the Fourth Proportional to 38,442.96, 57,614.20 and 19,707.12

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Solution

The fourth proportional to 38,442.96, 57,614.20 and 19,707.12 is: 29,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,442.96 : 57,614.20 = 19,707.12 : x
  2. Step 2: Convert to fraction form
    38,442.96/57,614.20 = 19,707.12/x
  3. Step 3: Cross multiply
    38,442.96x = 57,614.20 × 19,707.12
  4. Step 4: Simplify right side
    38,442.96x = 1,135,409,953.10
  5. Step 5: Solve for x
    x = 1,135,409,953.10/38,442.96
  6. Step 6: Final answer
    x = 29,534.93

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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.