Home / 31,346.48-43,256.49-17,915.96

Finding the Fourth Proportional to 31,346.48, 43,256.49 and 17,915.96

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Solution

The fourth proportional to 31,346.48, 43,256.49 and 17,915.96 is: 24,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.48 : 43,256.49 = 17,915.96 : x
  2. Step 2: Convert to fraction form
    31,346.48/43,256.49 = 17,915.96/x
  3. Step 3: Cross multiply
    31,346.48x = 43,256.49 × 17,915.96
  4. Step 4: Simplify right side
    31,346.48x = 774,981,544.58
  5. Step 5: Solve for x
    x = 774,981,544.58/31,346.48
  6. Step 6: Final answer
    x = 24,723.08

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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.