Home / 40,380.48-60,557.78-13,357.80

Finding the Fourth Proportional to 40,380.48, 60,557.78 and 13,357.80

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Solution

The fourth proportional to 40,380.48, 60,557.78 and 13,357.80 is: 20,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.48 : 60,557.78 = 13,357.80 : x
  2. Step 2: Convert to fraction form
    40,380.48/60,557.78 = 13,357.80/x
  3. Step 3: Cross multiply
    40,380.48x = 60,557.78 × 13,357.80
  4. Step 4: Simplify right side
    40,380.48x = 808,918,747.08
  5. Step 5: Solve for x
    x = 808,918,747.08/40,380.48
  6. Step 6: Final answer
    x = 20,032.42

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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.