Home / 31,217.68-43,102.96-19,297.36

Finding the Fourth Proportional to 31,217.68, 43,102.96 and 19,297.36

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Solution

The fourth proportional to 31,217.68, 43,102.96 and 19,297.36 is: 26,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217.68 : 43,102.96 = 19,297.36 : x
  2. Step 2: Convert to fraction form
    31,217.68/43,102.96 = 19,297.36/x
  3. Step 3: Cross multiply
    31,217.68x = 43,102.96 × 19,297.36
  4. Step 4: Simplify right side
    31,217.68x = 831,773,336.19
  5. Step 5: Solve for x
    x = 831,773,336.19/31,217.68
  6. Step 6: Final answer
    x = 26,644.30

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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.