Home / 45,877.39-68,769.61-31,087.80

Finding the Fourth Proportional to 45,877.39, 68,769.61 and 31,087.80

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Solution

The fourth proportional to 45,877.39, 68,769.61 and 31,087.80 is: 46,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,877.39 : 68,769.61 = 31,087.80 : x
  2. Step 2: Convert to fraction form
    45,877.39/68,769.61 = 31,087.80/x
  3. Step 3: Cross multiply
    45,877.39x = 68,769.61 × 31,087.80
  4. Step 4: Simplify right side
    45,877.39x = 2,137,895,804.04
  5. Step 5: Solve for x
    x = 2,137,895,804.04/45,877.39
  6. Step 6: Final answer
    x = 46,600.21

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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.