Home / 31,024.05-42,813.45-18,446.37

Finding the Fourth Proportional to 31,024.05, 42,813.45 and 18,446.37

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Solution

The fourth proportional to 31,024.05, 42,813.45 and 18,446.37 is: 25,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,024.05 : 42,813.45 = 18,446.37 : x
  2. Step 2: Convert to fraction form
    31,024.05/42,813.45 = 18,446.37/x
  3. Step 3: Cross multiply
    31,024.05x = 42,813.45 × 18,446.37
  4. Step 4: Simplify right side
    31,024.05x = 789,752,739.68
  5. Step 5: Solve for x
    x = 789,752,739.68/31,024.05
  6. Step 6: Final answer
    x = 25,456.15

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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.