Home / 31,324.72-47,010.44-12,604.92

Finding the Fourth Proportional to 31,324.72, 47,010.44 and 12,604.92

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Solution

The fourth proportional to 31,324.72, 47,010.44 and 12,604.92 is: 18,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,324.72 : 47,010.44 = 12,604.92 : x
  2. Step 2: Convert to fraction form
    31,324.72/47,010.44 = 12,604.92/x
  3. Step 3: Cross multiply
    31,324.72x = 47,010.44 × 12,604.92
  4. Step 4: Simplify right side
    31,324.72x = 592,562,772.34
  5. Step 5: Solve for x
    x = 592,562,772.34/31,324.72
  6. Step 6: Final answer
    x = 18,916.78

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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.