Home / 49,758.86-74,669.04-20,176.95

Finding the Fourth Proportional to 49,758.86, 74,669.04 and 20,176.95

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Solution

The fourth proportional to 49,758.86, 74,669.04 and 20,176.95 is: 30,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,758.86 : 74,669.04 = 20,176.95 : x
  2. Step 2: Convert to fraction form
    49,758.86/74,669.04 = 20,176.95/x
  3. Step 3: Cross multiply
    49,758.86x = 74,669.04 × 20,176.95
  4. Step 4: Simplify right side
    49,758.86x = 1,506,593,350.40
  5. Step 5: Solve for x
    x = 1,506,593,350.40/49,758.86
  6. Step 6: Final answer
    x = 30,277.89

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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.