Home / 47,626.65-71,423.55-19,538.78

Finding the Fourth Proportional to 47,626.65, 71,423.55 and 19,538.78

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Solution

The fourth proportional to 47,626.65, 71,423.55 and 19,538.78 is: 29,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,626.65 : 71,423.55 = 19,538.78 : x
  2. Step 2: Convert to fraction form
    47,626.65/71,423.55 = 19,538.78/x
  3. Step 3: Cross multiply
    47,626.65x = 71,423.55 × 19,538.78
  4. Step 4: Simplify right side
    47,626.65x = 1,395,528,673.15
  5. Step 5: Solve for x
    x = 1,395,528,673.15/47,626.65
  6. Step 6: Final answer
    x = 29,301.42

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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.