Home / 48,105.73-72,170.76-20,017.36

Finding the Fourth Proportional to 48,105.73, 72,170.76 and 20,017.36

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Solution

The fourth proportional to 48,105.73, 72,170.76 and 20,017.36 is: 30,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,105.73 : 72,170.76 = 20,017.36 : x
  2. Step 2: Convert to fraction form
    48,105.73/72,170.76 = 20,017.36/x
  3. Step 3: Cross multiply
    48,105.73x = 72,170.76 × 20,017.36
  4. Step 4: Simplify right side
    48,105.73x = 1,444,668,084.39
  5. Step 5: Solve for x
    x = 1,444,668,084.39/48,105.73
  6. Step 6: Final answer
    x = 30,031.10

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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.