Home / 31,204.19-43,056.78-17,775.71

Finding the Fourth Proportional to 31,204.19, 43,056.78 and 17,775.71

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Solution

The fourth proportional to 31,204.19, 43,056.78 and 17,775.71 is: 24,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.19 : 43,056.78 = 17,775.71 : x
  2. Step 2: Convert to fraction form
    31,204.19/43,056.78 = 17,775.71/x
  3. Step 3: Cross multiply
    31,204.19x = 43,056.78 × 17,775.71
  4. Step 4: Simplify right side
    31,204.19x = 765,364,619.53
  5. Step 5: Solve for x
    x = 765,364,619.53/31,204.19
  6. Step 6: Final answer
    x = 24,527.63

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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.