Home / 49,615.13-74,422.55-20,032.62

Finding the Fourth Proportional to 49,615.13, 74,422.55 and 20,032.62

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Solution

The fourth proportional to 49,615.13, 74,422.55 and 20,032.62 is: 30,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,615.13 : 74,422.55 = 20,032.62 : x
  2. Step 2: Convert to fraction form
    49,615.13/74,422.55 = 20,032.62/x
  3. Step 3: Cross multiply
    49,615.13x = 74,422.55 × 20,032.62
  4. Step 4: Simplify right side
    49,615.13x = 1,490,878,321.89
  5. Step 5: Solve for x
    x = 1,490,878,321.89/49,615.13
  6. Step 6: Final answer
    x = 30,048.86

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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.