Home / 49,555.22-74,344.16-21,479.94

Finding the Fourth Proportional to 49,555.22, 74,344.16 and 21,479.94

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Solution

The fourth proportional to 49,555.22, 74,344.16 and 21,479.94 is: 32,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,555.22 : 74,344.16 = 21,479.94 : x
  2. Step 2: Convert to fraction form
    49,555.22/74,344.16 = 21,479.94/x
  3. Step 3: Cross multiply
    49,555.22x = 74,344.16 × 21,479.94
  4. Step 4: Simplify right side
    49,555.22x = 1,596,907,988.75
  5. Step 5: Solve for x
    x = 1,596,907,988.75/49,555.22
  6. Step 6: Final answer
    x = 32,224.82

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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.