Home / 38,781.54-58,178.34-19,061.64

Finding the Fourth Proportional to 38,781.54, 58,178.34 and 19,061.64

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Solution

The fourth proportional to 38,781.54, 58,178.34 and 19,061.64 is: 28,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781.54 : 58,178.34 = 19,061.64 : x
  2. Step 2: Convert to fraction form
    38,781.54/58,178.34 = 19,061.64/x
  3. Step 3: Cross multiply
    38,781.54x = 58,178.34 × 19,061.64
  4. Step 4: Simplify right side
    38,781.54x = 1,108,974,572.88
  5. Step 5: Solve for x
    x = 1,108,974,572.88/38,781.54
  6. Step 6: Final answer
    x = 28,595.42

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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.