Home / 60,745.29-91,117.55-20,744.97

Finding the Fourth Proportional to 60,745.29, 91,117.55 and 20,744.97

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Solution

The fourth proportional to 60,745.29, 91,117.55 and 20,744.97 is: 31,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,745.29 : 91,117.55 = 20,744.97 : x
  2. Step 2: Convert to fraction form
    60,745.29/91,117.55 = 20,744.97/x
  3. Step 3: Cross multiply
    60,745.29x = 91,117.55 × 20,744.97
  4. Step 4: Simplify right side
    60,745.29x = 1,890,231,291.03
  5. Step 5: Solve for x
    x = 1,890,231,291.03/60,745.29
  6. Step 6: Final answer
    x = 31,117.33

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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.