Home / 39,379.48-59,079.20-13,084.36

Finding the Fourth Proportional to 39,379.48, 59,079.20 and 13,084.36

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Solution

The fourth proportional to 39,379.48, 59,079.20 and 13,084.36 is: 19,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.48 : 59,079.20 = 13,084.36 : x
  2. Step 2: Convert to fraction form
    39,379.48/59,079.20 = 13,084.36/x
  3. Step 3: Cross multiply
    39,379.48x = 59,079.20 × 13,084.36
  4. Step 4: Simplify right side
    39,379.48x = 773,013,521.31
  5. Step 5: Solve for x
    x = 773,013,521.31/39,379.48
  6. Step 6: Final answer
    x = 19,629.86

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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.