Home / 31,618.35-43,631.43-17,275.32

Finding the Fourth Proportional to 31,618.35, 43,631.43 and 17,275.32

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Solution

The fourth proportional to 31,618.35, 43,631.43 and 17,275.32 is: 23,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.35 : 43,631.43 = 17,275.32 : x
  2. Step 2: Convert to fraction form
    31,618.35/43,631.43 = 17,275.32/x
  3. Step 3: Cross multiply
    31,618.35x = 43,631.43 × 17,275.32
  4. Step 4: Simplify right side
    31,618.35x = 753,746,915.31
  5. Step 5: Solve for x
    x = 753,746,915.31/31,618.35
  6. Step 6: Final answer
    x = 23,838.91

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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.