Home / 53,180.30-79,746.06-18,105.68

Finding the Fourth Proportional to 53,180.30, 79,746.06 and 18,105.68

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Solution

The fourth proportional to 53,180.30, 79,746.06 and 18,105.68 is: 27,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.30 : 79,746.06 = 18,105.68 : x
  2. Step 2: Convert to fraction form
    53,180.30/79,746.06 = 18,105.68/x
  3. Step 3: Cross multiply
    53,180.30x = 79,746.06 × 18,105.68
  4. Step 4: Simplify right side
    53,180.30x = 1,443,856,643.62
  5. Step 5: Solve for x
    x = 1,443,856,643.62/53,180.30
  6. Step 6: Final answer
    x = 27,150.22

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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.