Home / 36,020.18-54,037.28-13,831.92

Finding the Fourth Proportional to 36,020.18, 54,037.28 and 13,831.92

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Solution

The fourth proportional to 36,020.18, 54,037.28 and 13,831.92 is: 20,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.18 : 54,037.28 = 13,831.92 : x
  2. Step 2: Convert to fraction form
    36,020.18/54,037.28 = 13,831.92/x
  3. Step 3: Cross multiply
    36,020.18x = 54,037.28 × 13,831.92
  4. Step 4: Simplify right side
    36,020.18x = 747,439,264.82
  5. Step 5: Solve for x
    x = 747,439,264.82/36,020.18
  6. Step 6: Final answer
    x = 20,750.57

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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.