Home / 40,452.83-60,669.51-20,721.23

Finding the Fourth Proportional to 40,452.83, 60,669.51 and 20,721.23

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Solution

The fourth proportional to 40,452.83, 60,669.51 and 20,721.23 is: 31,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,452.83 : 60,669.51 = 20,721.23 : x
  2. Step 2: Convert to fraction form
    40,452.83/60,669.51 = 20,721.23/x
  3. Step 3: Cross multiply
    40,452.83x = 60,669.51 × 20,721.23
  4. Step 4: Simplify right side
    40,452.83x = 1,257,146,567.35
  5. Step 5: Solve for x
    x = 1,257,146,567.35/40,452.83
  6. Step 6: Final answer
    x = 31,076.85

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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.