Home / 39,298.70-54,230.54-21,393.34

Finding the Fourth Proportional to 39,298.70, 54,230.54 and 21,393.34

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Solution

The fourth proportional to 39,298.70, 54,230.54 and 21,393.34 is: 29,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,298.70 : 54,230.54 = 21,393.34 : x
  2. Step 2: Convert to fraction form
    39,298.70/54,230.54 = 21,393.34/x
  3. Step 3: Cross multiply
    39,298.70x = 54,230.54 × 21,393.34
  4. Step 4: Simplify right side
    39,298.70x = 1,160,172,380.60
  5. Step 5: Solve for x
    x = 1,160,172,380.60/39,298.70
  6. Step 6: Final answer
    x = 29,521.90

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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.