Home / 31,233.60-43,102.32-19,294.08

Finding the Fourth Proportional to 31,233.60, 43,102.32 and 19,294.08

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Solution

The fourth proportional to 31,233.60, 43,102.32 and 19,294.08 is: 26,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,233.60 : 43,102.32 = 19,294.08 : x
  2. Step 2: Convert to fraction form
    31,233.60/43,102.32 = 19,294.08/x
  3. Step 3: Cross multiply
    31,233.60x = 43,102.32 × 19,294.08
  4. Step 4: Simplify right side
    31,233.60x = 831,619,610.27
  5. Step 5: Solve for x
    x = 831,619,610.27/31,233.60
  6. Step 6: Final answer
    x = 26,625.80

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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.