Home / 41,986.30-62,979.45-13,898.80

Finding the Fourth Proportional to 41,986.30, 62,979.45 and 13,898.80

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Solution

The fourth proportional to 41,986.30, 62,979.45 and 13,898.80 is: 20,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.30 : 62,979.45 = 13,898.80 : x
  2. Step 2: Convert to fraction form
    41,986.30/62,979.45 = 13,898.80/x
  3. Step 3: Cross multiply
    41,986.30x = 62,979.45 × 13,898.80
  4. Step 4: Simplify right side
    41,986.30x = 875,338,779.66
  5. Step 5: Solve for x
    x = 875,338,779.66/41,986.30
  6. Step 6: Final answer
    x = 20,848.20

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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.