Home / 31,723.99-47,586.32-12,999.22

Finding the Fourth Proportional to 31,723.99, 47,586.32 and 12,999.22

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Solution

The fourth proportional to 31,723.99, 47,586.32 and 12,999.22 is: 19,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.99 : 47,586.32 = 12,999.22 : x
  2. Step 2: Convert to fraction form
    31,723.99/47,586.32 = 12,999.22/x
  3. Step 3: Cross multiply
    31,723.99x = 47,586.32 × 12,999.22
  4. Step 4: Simplify right side
    31,723.99x = 618,585,042.67
  5. Step 5: Solve for x
    x = 618,585,042.67/31,723.99
  6. Step 6: Final answer
    x = 19,498.97

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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.