Home / 40,368.80-60,535.92-12,668.96

Finding the Fourth Proportional to 40,368.80, 60,535.92 and 12,668.96

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Solution

The fourth proportional to 40,368.80, 60,535.92 and 12,668.96 is: 18,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,368.80 : 60,535.92 = 12,668.96 : x
  2. Step 2: Convert to fraction form
    40,368.80/60,535.92 = 12,668.96/x
  3. Step 3: Cross multiply
    40,368.80x = 60,535.92 × 12,668.96
  4. Step 4: Simplify right side
    40,368.80x = 766,927,149.04
  5. Step 5: Solve for x
    x = 766,927,149.04/40,368.80
  6. Step 6: Final answer
    x = 18,998.02

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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.