Home / 47,713.83-71,567.10-18,138.30

Finding the Fourth Proportional to 47,713.83, 71,567.10 and 18,138.30

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Solution

The fourth proportional to 47,713.83, 71,567.10 and 18,138.30 is: 27,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713.83 : 71,567.10 = 18,138.30 : x
  2. Step 2: Convert to fraction form
    47,713.83/71,567.10 = 18,138.30/x
  3. Step 3: Cross multiply
    47,713.83x = 71,567.10 × 18,138.30
  4. Step 4: Simplify right side
    47,713.83x = 1,298,105,529.93
  5. Step 5: Solve for x
    x = 1,298,105,529.93/47,713.83
  6. Step 6: Final answer
    x = 27,206.06

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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.