Home / 31,766.72-47,666.34-14,009.76

Finding the Fourth Proportional to 31,766.72, 47,666.34 and 14,009.76

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Solution

The fourth proportional to 31,766.72, 47,666.34 and 14,009.76 is: 21,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.72 : 47,666.34 = 14,009.76 : x
  2. Step 2: Convert to fraction form
    31,766.72/47,666.34 = 14,009.76/x
  3. Step 3: Cross multiply
    31,766.72x = 47,666.34 × 14,009.76
  4. Step 4: Simplify right side
    31,766.72x = 667,793,983.48
  5. Step 5: Solve for x
    x = 667,793,983.48/31,766.72
  6. Step 6: Final answer
    x = 21,021.81

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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.