Home / 51,865.33-77,869.65-35,817.22

Finding the Fourth Proportional to 51,865.33, 77,869.65 and 35,817.22

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Solution

The fourth proportional to 51,865.33, 77,869.65 and 35,817.22 is: 53,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,865.33 : 77,869.65 = 35,817.22 : x
  2. Step 2: Convert to fraction form
    51,865.33/77,869.65 = 35,817.22/x
  3. Step 3: Cross multiply
    51,865.33x = 77,869.65 × 35,817.22
  4. Step 4: Simplify right side
    51,865.33x = 2,789,074,385.37
  5. Step 5: Solve for x
    x = 2,789,074,385.37/51,865.33
  6. Step 6: Final answer
    x = 53,775.31

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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.