Home / 40,269.50-55,570.39-22,365.65

Finding the Fourth Proportional to 40,269.50, 55,570.39 and 22,365.65

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Solution

The fourth proportional to 40,269.50, 55,570.39 and 22,365.65 is: 30,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,269.50 : 55,570.39 = 22,365.65 : x
  2. Step 2: Convert to fraction form
    40,269.50/55,570.39 = 22,365.65/x
  3. Step 3: Cross multiply
    40,269.50x = 55,570.39 × 22,365.65
  4. Step 4: Simplify right side
    40,269.50x = 1,242,867,976.12
  5. Step 5: Solve for x
    x = 1,242,867,976.12/40,269.50
  6. Step 6: Final answer
    x = 30,863.76

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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.