Home / 39,705.17-54,793.24-21,801.34

Finding the Fourth Proportional to 39,705.17, 54,793.24 and 21,801.34

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Solution

The fourth proportional to 39,705.17, 54,793.24 and 21,801.34 is: 30,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.17 : 54,793.24 = 21,801.34 : x
  2. Step 2: Convert to fraction form
    39,705.17/54,793.24 = 21,801.34/x
  3. Step 3: Cross multiply
    39,705.17x = 54,793.24 × 21,801.34
  4. Step 4: Simplify right side
    39,705.17x = 1,194,566,054.94
  5. Step 5: Solve for x
    x = 1,194,566,054.94/39,705.17
  6. Step 6: Final answer
    x = 30,085.91

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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.