Home / 38,079.78-52,550.01-21,084.90

Finding the Fourth Proportional to 38,079.78, 52,550.01 and 21,084.90

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Solution

The fourth proportional to 38,079.78, 52,550.01 and 21,084.90 is: 29,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.78 : 52,550.01 = 21,084.90 : x
  2. Step 2: Convert to fraction form
    38,079.78/52,550.01 = 21,084.90/x
  3. Step 3: Cross multiply
    38,079.78x = 52,550.01 × 21,084.90
  4. Step 4: Simplify right side
    38,079.78x = 1,108,011,705.85
  5. Step 5: Solve for x
    x = 1,108,011,705.85/38,079.78
  6. Step 6: Final answer
    x = 29,097.11

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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.