Home / 31,469.96-43,425.45-18,038.14

Finding the Fourth Proportional to 31,469.96, 43,425.45 and 18,038.14

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Solution

The fourth proportional to 31,469.96, 43,425.45 and 18,038.14 is: 24,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.96 : 43,425.45 = 18,038.14 : x
  2. Step 2: Convert to fraction form
    31,469.96/43,425.45 = 18,038.14/x
  3. Step 3: Cross multiply
    31,469.96x = 43,425.45 × 18,038.14
  4. Step 4: Simplify right side
    31,469.96x = 783,314,238.10
  5. Step 5: Solve for x
    x = 783,314,238.10/31,469.96
  6. Step 6: Final answer
    x = 24,890.85

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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.