Home / 48,467.20-66,874.92-28,320.20

Finding the Fourth Proportional to 48,467.20, 66,874.92 and 28,320.20

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Solution

The fourth proportional to 48,467.20, 66,874.92 and 28,320.20 is: 39,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,467.20 : 66,874.92 = 28,320.20 : x
  2. Step 2: Convert to fraction form
    48,467.20/66,874.92 = 28,320.20/x
  3. Step 3: Cross multiply
    48,467.20x = 66,874.92 × 28,320.20
  4. Step 4: Simplify right side
    48,467.20x = 1,893,911,109.38
  5. Step 5: Solve for x
    x = 1,893,911,109.38/48,467.20
  6. Step 6: Final answer
    x = 39,076.14

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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.