Home / 34,313.62-47,352.30-18,998.70

Finding the Fourth Proportional to 34,313.62, 47,352.30 and 18,998.70

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Solution

The fourth proportional to 34,313.62, 47,352.30 and 18,998.70 is: 26,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,313.62 : 47,352.30 = 18,998.70 : x
  2. Step 2: Convert to fraction form
    34,313.62/47,352.30 = 18,998.70/x
  3. Step 3: Cross multiply
    34,313.62x = 47,352.30 × 18,998.70
  4. Step 4: Simplify right side
    34,313.62x = 899,632,177.63
  5. Step 5: Solve for x
    x = 899,632,177.63/34,313.62
  6. Step 6: Final answer
    x = 26,217.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.