Home / 45,378.57-68,087.34-15,780.27

Finding the Fourth Proportional to 45,378.57, 68,087.34 and 15,780.27

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Solution

The fourth proportional to 45,378.57, 68,087.34 and 15,780.27 is: 23,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.57 : 68,087.34 = 15,780.27 : x
  2. Step 2: Convert to fraction form
    45,378.57/68,087.34 = 15,780.27/x
  3. Step 3: Cross multiply
    45,378.57x = 68,087.34 × 15,780.27
  4. Step 4: Simplify right side
    45,378.57x = 1,074,436,608.78
  5. Step 5: Solve for x
    x = 1,074,436,608.78/45,378.57
  6. Step 6: Final answer
    x = 23,677.18

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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.