Home / 39,071.66-58,479.62-21,257.82

Finding the Fourth Proportional to 39,071.66, 58,479.62 and 21,257.82

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Solution

The fourth proportional to 39,071.66, 58,479.62 and 21,257.82 is: 31,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071.66 : 58,479.62 = 21,257.82 : x
  2. Step 2: Convert to fraction form
    39,071.66/58,479.62 = 21,257.82/x
  3. Step 3: Cross multiply
    39,071.66x = 58,479.62 × 21,257.82
  4. Step 4: Simplify right side
    39,071.66x = 1,243,149,129.34
  5. Step 5: Solve for x
    x = 1,243,149,129.34/39,071.66
  6. Step 6: Final answer
    x = 31,817.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.