Home / 31,408.91-43,347.34-17,982.08

Finding the Fourth Proportional to 31,408.91, 43,347.34 and 17,982.08

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Solution

The fourth proportional to 31,408.91, 43,347.34 and 17,982.08 is: 24,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.91 : 43,347.34 = 17,982.08 : x
  2. Step 2: Convert to fraction form
    31,408.91/43,347.34 = 17,982.08/x
  3. Step 3: Cross multiply
    31,408.91x = 43,347.34 × 17,982.08
  4. Step 4: Simplify right side
    31,408.91x = 779,475,029.02
  5. Step 5: Solve for x
    x = 779,475,029.02/31,408.91
  6. Step 6: Final answer
    x = 24,817.01

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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.