Home / 51,386.58-77,083.68-21,801.06

Finding the Fourth Proportional to 51,386.58, 77,083.68 and 21,801.06

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Solution

The fourth proportional to 51,386.58, 77,083.68 and 21,801.06 is: 32,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,386.58 : 77,083.68 = 21,801.06 : x
  2. Step 2: Convert to fraction form
    51,386.58/77,083.68 = 21,801.06/x
  3. Step 3: Cross multiply
    51,386.58x = 77,083.68 × 21,801.06
  4. Step 4: Simplify right side
    51,386.58x = 1,680,505,932.70
  5. Step 5: Solve for x
    x = 1,680,505,932.70/51,386.58
  6. Step 6: Final answer
    x = 32,703.21

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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.