Home / 40,064.24-55,282.05-22,155.75

Finding the Fourth Proportional to 40,064.24, 55,282.05 and 22,155.75

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Solution

The fourth proportional to 40,064.24, 55,282.05 and 22,155.75 is: 30,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.24 : 55,282.05 = 22,155.75 : x
  2. Step 2: Convert to fraction form
    40,064.24/55,282.05 = 22,155.75/x
  3. Step 3: Cross multiply
    40,064.24x = 55,282.05 × 22,155.75
  4. Step 4: Simplify right side
    40,064.24x = 1,224,815,279.29
  5. Step 5: Solve for x
    x = 1,224,815,279.29/40,064.24
  6. Step 6: Final answer
    x = 30,571.28

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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.