Home / 31,463.19-43,419.21-17,315.73

Finding the Fourth Proportional to 31,463.19, 43,419.21 and 17,315.73

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Solution

The fourth proportional to 31,463.19, 43,419.21 and 17,315.73 is: 23,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463.19 : 43,419.21 = 17,315.73 : x
  2. Step 2: Convert to fraction form
    31,463.19/43,419.21 = 17,315.73/x
  3. Step 3: Cross multiply
    31,463.19x = 43,419.21 × 17,315.73
  4. Step 4: Simplify right side
    31,463.19x = 751,835,317.17
  5. Step 5: Solve for x
    x = 751,835,317.17/31,463.19
  6. Step 6: Final answer
    x = 23,895.71

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Double scale
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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.