Home / 34,721.56-51,979.94-21,531.48

Finding the Fourth Proportional to 34,721.56, 51,979.94 and 21,531.48

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Solution

The fourth proportional to 34,721.56, 51,979.94 and 21,531.48 is: 32,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.56 : 51,979.94 = 21,531.48 : x
  2. Step 2: Convert to fraction form
    34,721.56/51,979.94 = 21,531.48/x
  3. Step 3: Cross multiply
    34,721.56x = 51,979.94 × 21,531.48
  4. Step 4: Simplify right side
    34,721.56x = 1,119,205,038.51
  5. Step 5: Solve for x
    x = 1,119,205,038.51/34,721.56
  6. Step 6: Final answer
    x = 32,233.72

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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.