Home / 30,245.52-41,728.84-18,304.32

Finding the Fourth Proportional to 30,245.52, 41,728.84 and 18,304.32

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Solution

The fourth proportional to 30,245.52, 41,728.84 and 18,304.32 is: 25,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.52 : 41,728.84 = 18,304.32 : x
  2. Step 2: Convert to fraction form
    30,245.52/41,728.84 = 18,304.32/x
  3. Step 3: Cross multiply
    30,245.52x = 41,728.84 × 18,304.32
  4. Step 4: Simplify right side
    30,245.52x = 763,818,040.59
  5. Step 5: Solve for x
    x = 763,818,040.59/30,245.52
  6. Step 6: Final answer
    x = 25,253.92

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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.