Home / 40,018.88-60,019.20-15,061.56

Finding the Fourth Proportional to 40,018.88, 60,019.20 and 15,061.56

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Solution

The fourth proportional to 40,018.88, 60,019.20 and 15,061.56 is: 22,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.88 : 60,019.20 = 15,061.56 : x
  2. Step 2: Convert to fraction form
    40,018.88/60,019.20 = 15,061.56/x
  3. Step 3: Cross multiply
    40,018.88x = 60,019.20 × 15,061.56
  4. Step 4: Simplify right side
    40,018.88x = 903,982,781.95
  5. Step 5: Solve for x
    x = 903,982,781.95/40,018.88
  6. Step 6: Final answer
    x = 22,588.91

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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.