Home / 47,748.47-71,653.81-18,166.57

Finding the Fourth Proportional to 47,748.47, 71,653.81 and 18,166.57

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Solution

The fourth proportional to 47,748.47, 71,653.81 and 18,166.57 is: 27,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,748.47 : 71,653.81 = 18,166.57 : x
  2. Step 2: Convert to fraction form
    47,748.47/71,653.81 = 18,166.57/x
  3. Step 3: Cross multiply
    47,748.47x = 71,653.81 × 18,166.57
  4. Step 4: Simplify right side
    47,748.47x = 1,301,703,651.11
  5. Step 5: Solve for x
    x = 1,301,703,651.11/47,748.47
  6. Step 6: Final answer
    x = 27,261.68

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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.