Home / 48,147.89-72,182.70-20,088.85

Finding the Fourth Proportional to 48,147.89, 72,182.70 and 20,088.85

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Solution

The fourth proportional to 48,147.89, 72,182.70 and 20,088.85 is: 30,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,147.89 : 72,182.70 = 20,088.85 : x
  2. Step 2: Convert to fraction form
    48,147.89/72,182.70 = 20,088.85/x
  3. Step 3: Cross multiply
    48,147.89x = 72,182.70 × 20,088.85
  4. Step 4: Simplify right side
    48,147.89x = 1,450,067,071.98
  5. Step 5: Solve for x
    x = 1,450,067,071.98/48,147.89
  6. Step 6: Final answer
    x = 30,116.94

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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.