Home / 31,388.65-43,317.09-17,049.01

Finding the Fourth Proportional to 31,388.65, 43,317.09 and 17,049.01

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Solution

The fourth proportional to 31,388.65, 43,317.09 and 17,049.01 is: 23,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.65 : 43,317.09 = 17,049.01 : x
  2. Step 2: Convert to fraction form
    31,388.65/43,317.09 = 17,049.01/x
  3. Step 3: Cross multiply
    31,388.65x = 43,317.09 × 17,049.01
  4. Step 4: Simplify right side
    31,388.65x = 738,513,500.58
  5. Step 5: Solve for x
    x = 738,513,500.58/31,388.65
  6. Step 6: Final answer
    x = 23,528.04

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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.