Home / 39,439.12-59,155.44-11,737.12

Finding the Fourth Proportional to 39,439.12, 59,155.44 and 11,737.12

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Solution

The fourth proportional to 39,439.12, 59,155.44 and 11,737.12 is: 17,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.12 : 59,155.44 = 11,737.12 : x
  2. Step 2: Convert to fraction form
    39,439.12/59,155.44 = 11,737.12/x
  3. Step 3: Cross multiply
    39,439.12x = 59,155.44 × 11,737.12
  4. Step 4: Simplify right side
    39,439.12x = 694,314,497.93
  5. Step 5: Solve for x
    x = 694,314,497.93/39,439.12
  6. Step 6: Final answer
    x = 17,604.72

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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.