Home / 40,387.30-55,729.42-23,391.28

Finding the Fourth Proportional to 40,387.30, 55,729.42 and 23,391.28

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Solution

The fourth proportional to 40,387.30, 55,729.42 and 23,391.28 is: 32,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.30 : 55,729.42 = 23,391.28 : x
  2. Step 2: Convert to fraction form
    40,387.30/55,729.42 = 23,391.28/x
  3. Step 3: Cross multiply
    40,387.30x = 55,729.42 × 23,391.28
  4. Step 4: Simplify right side
    40,387.30x = 1,303,582,467.46
  5. Step 5: Solve for x
    x = 1,303,582,467.46/40,387.30
  6. Step 6: Final answer
    x = 32,277.04

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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.