Home / 39,868.70-59,811.15-13,576.10

Finding the Fourth Proportional to 39,868.70, 59,811.15 and 13,576.10

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Solution

The fourth proportional to 39,868.70, 59,811.15 and 13,576.10 is: 20,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,868.70 : 59,811.15 = 13,576.10 : x
  2. Step 2: Convert to fraction form
    39,868.70/59,811.15 = 13,576.10/x
  3. Step 3: Cross multiply
    39,868.70x = 59,811.15 × 13,576.10
  4. Step 4: Simplify right side
    39,868.70x = 812,002,153.52
  5. Step 5: Solve for x
    x = 812,002,153.52/39,868.70
  6. Step 6: Final answer
    x = 20,366.91

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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.