Home / 38,823.12-58,235.16-11,121.12

Finding the Fourth Proportional to 38,823.12, 58,235.16 and 11,121.12

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Solution

The fourth proportional to 38,823.12, 58,235.16 and 11,121.12 is: 16,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,823.12 : 58,235.16 = 11,121.12 : x
  2. Step 2: Convert to fraction form
    38,823.12/58,235.16 = 11,121.12/x
  3. Step 3: Cross multiply
    38,823.12x = 58,235.16 × 11,121.12
  4. Step 4: Simplify right side
    38,823.12x = 647,640,202.58
  5. Step 5: Solve for x
    x = 647,640,202.58/38,823.12
  6. Step 6: Final answer
    x = 16,681.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.