Home / 31,706.42-43,744.94-18,275.84

Finding the Fourth Proportional to 31,706.42, 43,744.94 and 18,275.84

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Solution

The fourth proportional to 31,706.42, 43,744.94 and 18,275.84 is: 25,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,706.42 : 43,744.94 = 18,275.84 : x
  2. Step 2: Convert to fraction form
    31,706.42/43,744.94 = 18,275.84/x
  3. Step 3: Cross multiply
    31,706.42x = 43,744.94 × 18,275.84
  4. Step 4: Simplify right side
    31,706.42x = 799,475,524.25
  5. Step 5: Solve for x
    x = 799,475,524.25/31,706.42
  6. Step 6: Final answer
    x = 25,214.94

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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.