Home / 48,431.61-66,832.56-28,294.20

Finding the Fourth Proportional to 48,431.61, 66,832.56 and 28,294.20

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Solution

The fourth proportional to 48,431.61, 66,832.56 and 28,294.20 is: 39,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,431.61 : 66,832.56 = 28,294.20 : x
  2. Step 2: Convert to fraction form
    48,431.61/66,832.56 = 28,294.20/x
  3. Step 3: Cross multiply
    48,431.61x = 66,832.56 × 28,294.20
  4. Step 4: Simplify right side
    48,431.61x = 1,890,973,819.15
  5. Step 5: Solve for x
    x = 1,890,973,819.15/48,431.61
  6. Step 6: Final answer
    x = 39,044.21

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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.