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Finding the Fourth Proportional to 57,806.50, 86,669.91 and 22,750.18

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Solution

The fourth proportional to 57,806.50, 86,669.91 and 22,750.18 is: 34,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,806.50 : 86,669.91 = 22,750.18 : x
  2. Step 2: Convert to fraction form
    57,806.50/86,669.91 = 22,750.18/x
  3. Step 3: Cross multiply
    57,806.50x = 86,669.91 × 22,750.18
  4. Step 4: Simplify right side
    57,806.50x = 1,971,756,053.08
  5. Step 5: Solve for x
    x = 1,971,756,053.08/57,806.50
  6. Step 6: Final answer
    x = 34,109.59

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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.