Home / 53,181.30-79,747.56-18,106.68

Finding the Fourth Proportional to 53,181.30, 79,747.56 and 18,106.68

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Solution

The fourth proportional to 53,181.30, 79,747.56 and 18,106.68 is: 27,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.30 : 79,747.56 = 18,106.68 : x
  2. Step 2: Convert to fraction form
    53,181.30/79,747.56 = 18,106.68/x
  3. Step 3: Cross multiply
    53,181.30x = 79,747.56 × 18,106.68
  4. Step 4: Simplify right side
    53,181.30x = 1,443,963,549.70
  5. Step 5: Solve for x
    x = 1,443,963,549.70/53,181.30
  6. Step 6: Final answer
    x = 27,151.72

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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.