Home / 31,515.65-43,491.59-17,175.48

Finding the Fourth Proportional to 31,515.65, 43,491.59 and 17,175.48

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Solution

The fourth proportional to 31,515.65, 43,491.59 and 17,175.48 is: 23,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.65 : 43,491.59 = 17,175.48 : x
  2. Step 2: Convert to fraction form
    31,515.65/43,491.59 = 17,175.48/x
  3. Step 3: Cross multiply
    31,515.65x = 43,491.59 × 17,175.48
  4. Step 4: Simplify right side
    31,515.65x = 746,988,977.15
  5. Step 5: Solve for x
    x = 746,988,977.15/31,515.65
  6. Step 6: Final answer
    x = 23,702.16

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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.