Home / 31,601.31-47,401.96-8,227.74

Finding the Fourth Proportional to 31,601.31, 47,401.96 and 8,227.74

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Solution

The fourth proportional to 31,601.31, 47,401.96 and 8,227.74 is: 12,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,601.31 : 47,401.96 = 8,227.74 : x
  2. Step 2: Convert to fraction form
    31,601.31/47,401.96 = 8,227.74/x
  3. Step 3: Cross multiply
    31,601.31x = 47,401.96 × 8,227.74
  4. Step 4: Simplify right side
    31,601.31x = 390,011,174.99
  5. Step 5: Solve for x
    x = 390,011,174.99/31,601.31
  6. Step 6: Final answer
    x = 12,341.62

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1.5x scale

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.