Home / 40,150.44-60,222.78-12,447.72

Finding the Fourth Proportional to 40,150.44, 60,222.78 and 12,447.72

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Solution

The fourth proportional to 40,150.44, 60,222.78 and 12,447.72 is: 18,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.44 : 60,222.78 = 12,447.72 : x
  2. Step 2: Convert to fraction form
    40,150.44/60,222.78 = 12,447.72/x
  3. Step 3: Cross multiply
    40,150.44x = 60,222.78 × 12,447.72
  4. Step 4: Simplify right side
    40,150.44x = 749,636,303.06
  5. Step 5: Solve for x
    x = 749,636,303.06/40,150.44
  6. Step 6: Final answer
    x = 18,670.69

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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.