Home / 49,800.65-74,700.66-20,218.19

Finding the Fourth Proportional to 49,800.65, 74,700.66 and 20,218.19

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Solution

The fourth proportional to 49,800.65, 74,700.66 and 20,218.19 is: 30,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,800.65 : 74,700.66 = 20,218.19 : x
  2. Step 2: Convert to fraction form
    49,800.65/74,700.66 = 20,218.19/x
  3. Step 3: Cross multiply
    49,800.65x = 74,700.66 × 20,218.19
  4. Step 4: Simplify right side
    49,800.65x = 1,510,312,137.01
  5. Step 5: Solve for x
    x = 1,510,312,137.01/49,800.65
  6. Step 6: Final answer
    x = 30,327.16

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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.