Home / 39,705.17-54,793.82-21,800.93

Finding the Fourth Proportional to 39,705.17, 54,793.82 and 21,800.93

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Solution

The fourth proportional to 39,705.17, 54,793.82 and 21,800.93 is: 30,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.17 : 54,793.82 = 21,800.93 : x
  2. Step 2: Convert to fraction form
    39,705.17/54,793.82 = 21,800.93/x
  3. Step 3: Cross multiply
    39,705.17x = 54,793.82 × 21,800.93
  4. Step 4: Simplify right side
    39,705.17x = 1,194,556,234.25
  5. Step 5: Solve for x
    x = 1,194,556,234.25/39,705.17
  6. Step 6: Final answer
    x = 30,085.66

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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.