Home / 47,439.17-71,150.51-17,857.23

Finding the Fourth Proportional to 47,439.17, 71,150.51 and 17,857.23

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Solution

The fourth proportional to 47,439.17, 71,150.51 and 17,857.23 is: 26,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,439.17 : 71,150.51 = 17,857.23 : x
  2. Step 2: Convert to fraction form
    47,439.17/71,150.51 = 17,857.23/x
  3. Step 3: Cross multiply
    47,439.17x = 71,150.51 × 17,857.23
  4. Step 4: Simplify right side
    47,439.17x = 1,270,550,932.40
  5. Step 5: Solve for x
    x = 1,270,550,932.40/47,439.17
  6. Step 6: Final answer
    x = 26,782.74

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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.