Home / 57,291.26-85,941.50-21,769.58

Finding the Fourth Proportional to 57,291.26, 85,941.50 and 21,769.58

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Solution

The fourth proportional to 57,291.26, 85,941.50 and 21,769.58 is: 32,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.26 : 85,941.50 = 21,769.58 : x
  2. Step 2: Convert to fraction form
    57,291.26/85,941.50 = 21,769.58/x
  3. Step 3: Cross multiply
    57,291.26x = 85,941.50 × 21,769.58
  4. Step 4: Simplify right side
    57,291.26x = 1,870,910,465.58
  5. Step 5: Solve for x
    x = 1,870,910,465.58/57,291.26
  6. Step 6: Final answer
    x = 32,656.13

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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.