Home / 39,853.92-59,780.24-13,576.96

Finding the Fourth Proportional to 39,853.92, 59,780.24 and 13,576.96

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Solution

The fourth proportional to 39,853.92, 59,780.24 and 13,576.96 is: 20,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.92 : 59,780.24 = 13,576.96 : x
  2. Step 2: Convert to fraction form
    39,853.92/59,780.24 = 13,576.96/x
  3. Step 3: Cross multiply
    39,853.92x = 59,780.24 × 13,576.96
  4. Step 4: Simplify right side
    39,853.92x = 811,633,927.27
  5. Step 5: Solve for x
    x = 811,633,927.27/39,853.92
  6. Step 6: Final answer
    x = 20,365.22

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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.