Home / 60,778.26-91,139.07-18,647.49

Finding the Fourth Proportional to 60,778.26, 91,139.07 and 18,647.49

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Solution

The fourth proportional to 60,778.26, 91,139.07 and 18,647.49 is: 27,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,778.26 : 91,139.07 = 18,647.49 : x
  2. Step 2: Convert to fraction form
    60,778.26/91,139.07 = 18,647.49/x
  3. Step 3: Cross multiply
    60,778.26x = 91,139.07 × 18,647.49
  4. Step 4: Simplify right side
    60,778.26x = 1,699,514,896.43
  5. Step 5: Solve for x
    x = 1,699,514,896.43/60,778.26
  6. Step 6: Final answer
    x = 27,962.55

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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.