Home / 51,540.32-77,329.92-18,259.04

Finding the Fourth Proportional to 51,540.32, 77,329.92 and 18,259.04

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Solution

The fourth proportional to 51,540.32, 77,329.92 and 18,259.04 is: 27,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,540.32 : 77,329.92 = 18,259.04 : x
  2. Step 2: Convert to fraction form
    51,540.32/77,329.92 = 18,259.04/x
  3. Step 3: Cross multiply
    51,540.32x = 77,329.92 × 18,259.04
  4. Step 4: Simplify right side
    51,540.32x = 1,411,970,102.48
  5. Step 5: Solve for x
    x = 1,411,970,102.48/51,540.32
  6. Step 6: Final answer
    x = 27,395.45

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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.