Home / 48,408.21-66,774.33-30,472.08

Finding the Fourth Proportional to 48,408.21, 66,774.33 and 30,472.08

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Solution

The fourth proportional to 48,408.21, 66,774.33 and 30,472.08 is: 42,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408.21 : 66,774.33 = 30,472.08 : x
  2. Step 2: Convert to fraction form
    48,408.21/66,774.33 = 30,472.08/x
  3. Step 3: Cross multiply
    48,408.21x = 66,774.33 × 30,472.08
  4. Step 4: Simplify right side
    48,408.21x = 2,034,752,725.71
  5. Step 5: Solve for x
    x = 2,034,752,725.71/48,408.21
  6. Step 6: Final answer
    x = 42,033.22

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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.