Home / 31,211.25-43,071.54-17,064.21

Finding the Fourth Proportional to 31,211.25, 43,071.54 and 17,064.21

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Solution

The fourth proportional to 31,211.25, 43,071.54 and 17,064.21 is: 23,548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.25 : 43,071.54 = 17,064.21 : x
  2. Step 2: Convert to fraction form
    31,211.25/43,071.54 = 17,064.21/x
  3. Step 3: Cross multiply
    31,211.25x = 43,071.54 × 17,064.21
  4. Step 4: Simplify right side
    31,211.25x = 734,981,803.58
  5. Step 5: Solve for x
    x = 734,981,803.58/31,211.25
  6. Step 6: Final answer
    x = 23,548.62

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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.