Home / 39,812.40-59,718.60-16,119.90

Finding the Fourth Proportional to 39,812.40, 59,718.60 and 16,119.90

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Solution

The fourth proportional to 39,812.40, 59,718.60 and 16,119.90 is: 24,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812.40 : 59,718.60 = 16,119.90 : x
  2. Step 2: Convert to fraction form
    39,812.40/59,718.60 = 16,119.90/x
  3. Step 3: Cross multiply
    39,812.40x = 59,718.60 × 16,119.90
  4. Step 4: Simplify right side
    39,812.40x = 962,657,860.14
  5. Step 5: Solve for x
    x = 962,657,860.14/39,812.40
  6. Step 6: Final answer
    x = 24,179.85

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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.