Home / 40,185.56-55,455.80-22,280.57

Finding the Fourth Proportional to 40,185.56, 55,455.80 and 22,280.57

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Solution

The fourth proportional to 40,185.56, 55,455.80 and 22,280.57 is: 30,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,185.56 : 55,455.80 = 22,280.57 : x
  2. Step 2: Convert to fraction form
    40,185.56/55,455.80 = 22,280.57/x
  3. Step 3: Cross multiply
    40,185.56x = 55,455.80 × 22,280.57
  4. Step 4: Simplify right side
    40,185.56x = 1,235,586,833.81
  5. Step 5: Solve for x
    x = 1,235,586,833.81/40,185.56
  6. Step 6: Final answer
    x = 30,747.04

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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.