Home / 49,868.61-74,810.75-20,289.03

Finding the Fourth Proportional to 49,868.61, 74,810.75 and 20,289.03

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Solution

The fourth proportional to 49,868.61, 74,810.75 and 20,289.03 is: 30,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.61 : 74,810.75 = 20,289.03 : x
  2. Step 2: Convert to fraction form
    49,868.61/74,810.75 = 20,289.03/x
  3. Step 3: Cross multiply
    49,868.61x = 74,810.75 × 20,289.03
  4. Step 4: Simplify right side
    49,868.61x = 1,517,837,551.07
  5. Step 5: Solve for x
    x = 1,517,837,551.07/49,868.61
  6. Step 6: Final answer
    x = 30,436.73

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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.