Home / 29,065.80-40,111.55-16,319.97

Finding the Fourth Proportional to 29,065.80, 40,111.55 and 16,319.97

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Solution

The fourth proportional to 29,065.80, 40,111.55 and 16,319.97 is: 22,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,065.80 : 40,111.55 = 16,319.97 : x
  2. Step 2: Convert to fraction form
    29,065.80/40,111.55 = 16,319.97/x
  3. Step 3: Cross multiply
    29,065.80x = 40,111.55 × 16,319.97
  4. Step 4: Simplify right side
    29,065.80x = 654,619,211.05
  5. Step 5: Solve for x
    x = 654,619,211.05/29,065.80
  6. Step 6: Final answer
    x = 22,521.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.