Home / 49,784.14-74,690.05-21,706.65

Finding the Fourth Proportional to 49,784.14, 74,690.05 and 21,706.65

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Solution

The fourth proportional to 49,784.14, 74,690.05 and 21,706.65 is: 32,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,784.14 : 74,690.05 = 21,706.65 : x
  2. Step 2: Convert to fraction form
    49,784.14/74,690.05 = 21,706.65/x
  3. Step 3: Cross multiply
    49,784.14x = 74,690.05 × 21,706.65
  4. Step 4: Simplify right side
    49,784.14x = 1,621,270,291.85
  5. Step 5: Solve for x
    x = 1,621,270,291.85/49,784.14
  6. Step 6: Final answer
    x = 32,566.00

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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.