Home / 39,439.50-59,161.17-11,737.74

Finding the Fourth Proportional to 39,439.50, 59,161.17 and 11,737.74

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Solution

The fourth proportional to 39,439.50, 59,161.17 and 11,737.74 is: 17,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.50 : 59,161.17 = 11,737.74 : x
  2. Step 2: Convert to fraction form
    39,439.50/59,161.17 = 11,737.74/x
  3. Step 3: Cross multiply
    39,439.50x = 59,161.17 × 11,737.74
  4. Step 4: Simplify right side
    39,439.50x = 694,418,431.56
  5. Step 5: Solve for x
    x = 694,418,431.56/39,439.50
  6. Step 6: Final answer
    x = 17,607.18

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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.