Home / 45,601.20-68,392.20-19,306.80

Finding the Fourth Proportional to 45,601.20, 68,392.20 and 19,306.80

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Solution

The fourth proportional to 45,601.20, 68,392.20 and 19,306.80 is: 28,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,601.20 : 68,392.20 = 19,306.80 : x
  2. Step 2: Convert to fraction form
    45,601.20/68,392.20 = 19,306.80/x
  3. Step 3: Cross multiply
    45,601.20x = 68,392.20 × 19,306.80
  4. Step 4: Simplify right side
    45,601.20x = 1,320,434,526.96
  5. Step 5: Solve for x
    x = 1,320,434,526.96/45,601.20
  6. Step 6: Final answer
    x = 28,956.14

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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.