Home / 49,870.46-74,741.04-20,253.89

Finding the Fourth Proportional to 49,870.46, 74,741.04 and 20,253.89

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Solution

The fourth proportional to 49,870.46, 74,741.04 and 20,253.89 is: 30,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.46 : 74,741.04 = 20,253.89 : x
  2. Step 2: Convert to fraction form
    49,870.46/74,741.04 = 20,253.89/x
  3. Step 3: Cross multiply
    49,870.46x = 74,741.04 × 20,253.89
  4. Step 4: Simplify right side
    49,870.46x = 1,513,796,428.94
  5. Step 5: Solve for x
    x = 1,513,796,428.94/49,870.46
  6. Step 6: Final answer
    x = 30,354.57

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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.