Home / 38,438.01-57,553.18-19,931.13

Finding the Fourth Proportional to 38,438.01, 57,553.18 and 19,931.13

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Solution

The fourth proportional to 38,438.01, 57,553.18 and 19,931.13 is: 29,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438.01 : 57,553.18 = 19,931.13 : x
  2. Step 2: Convert to fraction form
    38,438.01/57,553.18 = 19,931.13/x
  3. Step 3: Cross multiply
    38,438.01x = 57,553.18 × 19,931.13
  4. Step 4: Simplify right side
    38,438.01x = 1,147,099,812.84
  5. Step 5: Solve for x
    x = 1,147,099,812.84/38,438.01
  6. Step 6: Final answer
    x = 29,842.85

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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.