Home / 39,939.57-59,890.91-14,961.78

Finding the Fourth Proportional to 39,939.57, 59,890.91 and 14,961.78

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Solution

The fourth proportional to 39,939.57, 59,890.91 and 14,961.78 is: 22,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.57 : 59,890.91 = 14,961.78 : x
  2. Step 2: Convert to fraction form
    39,939.57/59,890.91 = 14,961.78/x
  3. Step 3: Cross multiply
    39,939.57x = 59,890.91 × 14,961.78
  4. Step 4: Simplify right side
    39,939.57x = 896,074,544.61
  5. Step 5: Solve for x
    x = 896,074,544.61/39,939.57
  6. Step 6: Final answer
    x = 22,435.76

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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.