Home / 53,109.50-79,666.16-18,044.60

Finding the Fourth Proportional to 53,109.50, 79,666.16 and 18,044.60

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Solution

The fourth proportional to 53,109.50, 79,666.16 and 18,044.60 is: 27,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.50 : 79,666.16 = 18,044.60 : x
  2. Step 2: Convert to fraction form
    53,109.50/79,666.16 = 18,044.60/x
  3. Step 3: Cross multiply
    53,109.50x = 79,666.16 × 18,044.60
  4. Step 4: Simplify right side
    53,109.50x = 1,437,543,502.18
  5. Step 5: Solve for x
    x = 1,437,543,502.18/53,109.50
  6. Step 6: Final answer
    x = 27,067.54

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1.5x scale

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.