Home / 48,736.80-67,288.05-39,805.74

Finding the Fourth Proportional to 48,736.80, 67,288.05 and 39,805.74

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Solution

The fourth proportional to 48,736.80, 67,288.05 and 39,805.74 is: 54,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,736.80 : 67,288.05 = 39,805.74 : x
  2. Step 2: Convert to fraction form
    48,736.80/67,288.05 = 39,805.74/x
  3. Step 3: Cross multiply
    48,736.80x = 67,288.05 × 39,805.74
  4. Step 4: Simplify right side
    48,736.80x = 2,678,450,623.41
  5. Step 5: Solve for x
    x = 2,678,450,623.41/48,736.80
  6. Step 6: Final answer
    x = 54,957.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.