Home / 31,410.24-43,347.60-17,982.96

Finding the Fourth Proportional to 31,410.24, 43,347.60 and 17,982.96

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Solution

The fourth proportional to 31,410.24, 43,347.60 and 17,982.96 is: 24,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.24 : 43,347.60 = 17,982.96 : x
  2. Step 2: Convert to fraction form
    31,410.24/43,347.60 = 17,982.96/x
  3. Step 3: Cross multiply
    31,410.24x = 43,347.60 × 17,982.96
  4. Step 4: Simplify right side
    31,410.24x = 779,518,156.90
  5. Step 5: Solve for x
    x = 779,518,156.90/31,410.24
  6. Step 6: Final answer
    x = 24,817.33

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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.