Home / 34,974.20-48,264.36-20,827.64

Finding the Fourth Proportional to 34,974.20, 48,264.36 and 20,827.64

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Solution

The fourth proportional to 34,974.20, 48,264.36 and 20,827.64 is: 28,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,974.20 : 48,264.36 = 20,827.64 : x
  2. Step 2: Convert to fraction form
    34,974.20/48,264.36 = 20,827.64/x
  3. Step 3: Cross multiply
    34,974.20x = 48,264.36 × 20,827.64
  4. Step 4: Simplify right side
    34,974.20x = 1,005,232,714.91
  5. Step 5: Solve for x
    x = 1,005,232,714.91/34,974.20
  6. Step 6: Final answer
    x = 28,742.12

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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.