Home / 48,694.40-67,199.16-28,565.72

Finding the Fourth Proportional to 48,694.40, 67,199.16 and 28,565.72

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Solution

The fourth proportional to 48,694.40, 67,199.16 and 28,565.72 is: 39,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,694.40 : 67,199.16 = 28,565.72 : x
  2. Step 2: Convert to fraction form
    48,694.40/67,199.16 = 28,565.72/x
  3. Step 3: Cross multiply
    48,694.40x = 67,199.16 × 28,565.72
  4. Step 4: Simplify right side
    48,694.40x = 1,919,592,388.80
  5. Step 5: Solve for x
    x = 1,919,592,388.80/48,694.40
  6. Step 6: Final answer
    x = 39,421.21

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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.