Home / 45,347.45-62,414.31-39,934.46

Finding the Fourth Proportional to 45,347.45, 62,414.31 and 39,934.46

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Solution

The fourth proportional to 45,347.45, 62,414.31 and 39,934.46 is: 54,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,347.45 : 62,414.31 = 39,934.46 : x
  2. Step 2: Convert to fraction form
    45,347.45/62,414.31 = 39,934.46/x
  3. Step 3: Cross multiply
    45,347.45x = 62,414.31 × 39,934.46
  4. Step 4: Simplify right side
    45,347.45x = 2,492,481,766.12
  5. Step 5: Solve for x
    x = 2,492,481,766.12/45,347.45
  6. Step 6: Final answer
    x = 54,964.10

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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.