Home / 38,815.80-58,223.70-11,110.20

Finding the Fourth Proportional to 38,815.80, 58,223.70 and 11,110.20

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Solution

The fourth proportional to 38,815.80, 58,223.70 and 11,110.20 is: 16,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.80 : 58,223.70 = 11,110.20 : x
  2. Step 2: Convert to fraction form
    38,815.80/58,223.70 = 11,110.20/x
  3. Step 3: Cross multiply
    38,815.80x = 58,223.70 × 11,110.20
  4. Step 4: Simplify right side
    38,815.80x = 646,876,951.74
  5. Step 5: Solve for x
    x = 646,876,951.74/38,815.80
  6. Step 6: Final answer
    x = 16,665.30

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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.