Home / 49,489.34-74,240.69-14,428.69

Finding the Fourth Proportional to 49,489.34, 74,240.69 and 14,428.69

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Solution

The fourth proportional to 49,489.34, 74,240.69 and 14,428.69 is: 21,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,489.34 : 74,240.69 = 14,428.69 : x
  2. Step 2: Convert to fraction form
    49,489.34/74,240.69 = 14,428.69/x
  3. Step 3: Cross multiply
    49,489.34x = 74,240.69 × 14,428.69
  4. Step 4: Simplify right side
    49,489.34x = 1,071,195,643.65
  5. Step 5: Solve for x
    x = 1,071,195,643.65/49,489.34
  6. Step 6: Final answer
    x = 21,644.98

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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.