Home / 40,084.08-55,282.20-30,036.24

Finding the Fourth Proportional to 40,084.08, 55,282.20 and 30,036.24

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Solution

The fourth proportional to 40,084.08, 55,282.20 and 30,036.24 is: 41,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,084.08 : 55,282.20 = 30,036.24 : x
  2. Step 2: Convert to fraction form
    40,084.08/55,282.20 = 30,036.24/x
  3. Step 3: Cross multiply
    40,084.08x = 55,282.20 × 30,036.24
  4. Step 4: Simplify right side
    40,084.08x = 1,660,469,426.93
  5. Step 5: Solve for x
    x = 1,660,469,426.93/40,084.08
  6. Step 6: Final answer
    x = 41,424.66

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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.