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Finding the Fourth Proportional to 48,297.78, 72,446.26 and 15,017.78

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Solution

The fourth proportional to 48,297.78, 72,446.26 and 15,017.78 is: 22,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,297.78 : 72,446.26 = 15,017.78 : x
  2. Step 2: Convert to fraction form
    48,297.78/72,446.26 = 15,017.78/x
  3. Step 3: Cross multiply
    48,297.78x = 72,446.26 × 15,017.78
  4. Step 4: Simplify right side
    48,297.78x = 1,087,981,994.50
  5. Step 5: Solve for x
    x = 1,087,981,994.50/48,297.78
  6. Step 6: Final answer
    x = 22,526.54

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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.