Home / 40,140.65-55,394.14-22,235.28

Finding the Fourth Proportional to 40,140.65, 55,394.14 and 22,235.28

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Solution

The fourth proportional to 40,140.65, 55,394.14 and 22,235.28 is: 30,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.65 : 55,394.14 = 22,235.28 : x
  2. Step 2: Convert to fraction form
    40,140.65/55,394.14 = 22,235.28/x
  3. Step 3: Cross multiply
    40,140.65x = 55,394.14 × 22,235.28
  4. Step 4: Simplify right side
    40,140.65x = 1,231,704,213.26
  5. Step 5: Solve for x
    x = 1,231,704,213.26/40,140.65
  6. Step 6: Final answer
    x = 30,684.71

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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.