Home / 49,188.69-73,671.80-40,331.07

Finding the Fourth Proportional to 49,188.69, 73,671.80 and 40,331.07

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Solution

The fourth proportional to 49,188.69, 73,671.80 and 40,331.07 is: 60,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,188.69 : 73,671.80 = 40,331.07 : x
  2. Step 2: Convert to fraction form
    49,188.69/73,671.80 = 40,331.07/x
  3. Step 3: Cross multiply
    49,188.69x = 73,671.80 × 40,331.07
  4. Step 4: Simplify right side
    49,188.69x = 2,971,262,321.17
  5. Step 5: Solve for x
    x = 2,971,262,321.17/49,188.69
  6. Step 6: Final answer
    x = 60,405.40

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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.