Home / 31,657.99-43,701.48-19,727.23

Finding the Fourth Proportional to 31,657.99, 43,701.48 and 19,727.23

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Solution

The fourth proportional to 31,657.99, 43,701.48 and 19,727.23 is: 27,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.99 : 43,701.48 = 19,727.23 : x
  2. Step 2: Convert to fraction form
    31,657.99/43,701.48 = 19,727.23/x
  3. Step 3: Cross multiply
    31,657.99x = 43,701.48 × 19,727.23
  4. Step 4: Simplify right side
    31,657.99x = 862,109,147.30
  5. Step 5: Solve for x
    x = 862,109,147.30/31,657.99
  6. Step 6: Final answer
    x = 27,231.96

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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.