Home / 31,856.24-43,962-17,710.40

Finding the Fourth Proportional to 31,856.24, 43,962 and 17,710.40

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Solution

The fourth proportional to 31,856.24, 43,962 and 17,710.40 is: 24,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856.24 : 43,962 = 17,710.40 : x
  2. Step 2: Convert to fraction form
    31,856.24/43,962 = 17,710.40/x
  3. Step 3: Cross multiply
    31,856.24x = 43,962 × 17,710.40
  4. Step 4: Simplify right side
    31,856.24x = 778,584,604.80
  5. Step 5: Solve for x
    x = 778,584,604.80/31,856.24
  6. Step 6: Final answer
    x = 24,440.57

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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.