Home / 36,680.60-55,014.78-10,378.82

Finding the Fourth Proportional to 36,680.60, 55,014.78 and 10,378.82

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Solution

The fourth proportional to 36,680.60, 55,014.78 and 10,378.82 is: 15,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,680.60 : 55,014.78 = 10,378.82 : x
  2. Step 2: Convert to fraction form
    36,680.60/55,014.78 = 10,378.82/x
  3. Step 3: Cross multiply
    36,680.60x = 55,014.78 × 10,378.82
  4. Step 4: Simplify right side
    36,680.60x = 570,988,498.96
  5. Step 5: Solve for x
    x = 570,988,498.96/36,680.60
  6. Step 6: Final answer
    x = 15,566.50

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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.