Home / 31,224.96-43,104.50-19,909.62

Finding the Fourth Proportional to 31,224.96, 43,104.50 and 19,909.62

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Solution

The fourth proportional to 31,224.96, 43,104.50 and 19,909.62 is: 27,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,224.96 : 43,104.50 = 19,909.62 : x
  2. Step 2: Convert to fraction form
    31,224.96/43,104.50 = 19,909.62/x
  3. Step 3: Cross multiply
    31,224.96x = 43,104.50 × 19,909.62
  4. Step 4: Simplify right side
    31,224.96x = 858,194,215.29
  5. Step 5: Solve for x
    x = 858,194,215.29/31,224.96
  6. Step 6: Final answer
    x = 27,484.24

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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.