Home / 49,872.48-74,808.51-20,290.07

Finding the Fourth Proportional to 49,872.48, 74,808.51 and 20,290.07

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Solution

The fourth proportional to 49,872.48, 74,808.51 and 20,290.07 is: 30,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,872.48 : 74,808.51 = 20,290.07 : x
  2. Step 2: Convert to fraction form
    49,872.48/74,808.51 = 20,290.07/x
  3. Step 3: Cross multiply
    49,872.48x = 74,808.51 × 20,290.07
  4. Step 4: Simplify right side
    49,872.48x = 1,517,869,904.50
  5. Step 5: Solve for x
    x = 1,517,869,904.50/49,872.48
  6. Step 6: Final answer
    x = 30,435.02

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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.