Home / 40,045.19-55,260.23-22,139.19

Finding the Fourth Proportional to 40,045.19, 55,260.23 and 22,139.19

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Solution

The fourth proportional to 40,045.19, 55,260.23 and 22,139.19 is: 30,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.19 : 55,260.23 = 22,139.19 : x
  2. Step 2: Convert to fraction form
    40,045.19/55,260.23 = 22,139.19/x
  3. Step 3: Cross multiply
    40,045.19x = 55,260.23 × 22,139.19
  4. Step 4: Simplify right side
    40,045.19x = 1,223,416,620.72
  5. Step 5: Solve for x
    x = 1,223,416,620.72/40,045.19
  6. Step 6: Final answer
    x = 30,550.90

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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.