Home / 38,821.32-58,239.90-12,525.48

Finding the Fourth Proportional to 38,821.32, 58,239.90 and 12,525.48

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Solution

The fourth proportional to 38,821.32, 58,239.90 and 12,525.48 is: 18,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.32 : 58,239.90 = 12,525.48 : x
  2. Step 2: Convert to fraction form
    38,821.32/58,239.90 = 12,525.48/x
  3. Step 3: Cross multiply
    38,821.32x = 58,239.90 × 12,525.48
  4. Step 4: Simplify right side
    38,821.32x = 729,482,702.65
  5. Step 5: Solve for x
    x = 729,482,702.65/38,821.32
  6. Step 6: Final answer
    x = 18,790.78

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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.