Home / 48,428.97-72,630.50-13,370.55

Finding the Fourth Proportional to 48,428.97, 72,630.50 and 13,370.55

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Solution

The fourth proportional to 48,428.97, 72,630.50 and 13,370.55 is: 20,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,428.97 : 72,630.50 = 13,370.55 : x
  2. Step 2: Convert to fraction form
    48,428.97/72,630.50 = 13,370.55/x
  3. Step 3: Cross multiply
    48,428.97x = 72,630.50 × 13,370.55
  4. Step 4: Simplify right side
    48,428.97x = 971,109,664.92
  5. Step 5: Solve for x
    x = 971,109,664.92/48,428.97
  6. Step 6: Final answer
    x = 20,052.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.