Home / 48,554.48-72,860.04-20,472.80

Finding the Fourth Proportional to 48,554.48, 72,860.04 and 20,472.80

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Solution

The fourth proportional to 48,554.48, 72,860.04 and 20,472.80 is: 30,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,554.48 : 72,860.04 = 20,472.80 : x
  2. Step 2: Convert to fraction form
    48,554.48/72,860.04 = 20,472.80/x
  3. Step 3: Cross multiply
    48,554.48x = 72,860.04 × 20,472.80
  4. Step 4: Simplify right side
    48,554.48x = 1,491,649,026.91
  5. Step 5: Solve for x
    x = 1,491,649,026.91/48,554.48
  6. Step 6: Final answer
    x = 30,721.14

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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.