Home / 49,751.42-74,572.02-20,160.50

Finding the Fourth Proportional to 49,751.42, 74,572.02 and 20,160.50

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Solution

The fourth proportional to 49,751.42, 74,572.02 and 20,160.50 is: 30,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,751.42 : 74,572.02 = 20,160.50 : x
  2. Step 2: Convert to fraction form
    49,751.42/74,572.02 = 20,160.50/x
  3. Step 3: Cross multiply
    49,751.42x = 74,572.02 × 20,160.50
  4. Step 4: Simplify right side
    49,751.42x = 1,503,408,836.35
  5. Step 5: Solve for x
    x = 1,503,408,836.35/49,751.42
  6. Step 6: Final answer
    x = 30,218.41

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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.