Home / 48,010.90-72,016.35-12,950.55

Finding the Fourth Proportional to 48,010.90, 72,016.35 and 12,950.55

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Solution

The fourth proportional to 48,010.90, 72,016.35 and 12,950.55 is: 19,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,010.90 : 72,016.35 = 12,950.55 : x
  2. Step 2: Convert to fraction form
    48,010.90/72,016.35 = 12,950.55/x
  3. Step 3: Cross multiply
    48,010.90x = 72,016.35 × 12,950.55
  4. Step 4: Simplify right side
    48,010.90x = 932,651,341.49
  5. Step 5: Solve for x
    x = 932,651,341.49/48,010.90
  6. Step 6: Final answer
    x = 19,425.83

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Double scale
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Similar ratio
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1.5x scale

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.