Home / 37,776.33-52,132.01-20,781.99

Finding the Fourth Proportional to 37,776.33, 52,132.01 and 20,781.99

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Solution

The fourth proportional to 37,776.33, 52,132.01 and 20,781.99 is: 28,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,776.33 : 52,132.01 = 20,781.99 : x
  2. Step 2: Convert to fraction form
    37,776.33/52,132.01 = 20,781.99/x
  3. Step 3: Cross multiply
    37,776.33x = 52,132.01 × 20,781.99
  4. Step 4: Simplify right side
    37,776.33x = 1,083,406,806.59
  5. Step 5: Solve for x
    x = 1,083,406,806.59/37,776.33
  6. Step 6: Final answer
    x = 28,679.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.