Home / 56,845.08-85,269.87-21,302.69

Finding the Fourth Proportional to 56,845.08, 85,269.87 and 21,302.69

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Solution

The fourth proportional to 56,845.08, 85,269.87 and 21,302.69 is: 31,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,845.08 : 85,269.87 = 21,302.69 : x
  2. Step 2: Convert to fraction form
    56,845.08/85,269.87 = 21,302.69/x
  3. Step 3: Cross multiply
    56,845.08x = 85,269.87 × 21,302.69
  4. Step 4: Simplify right side
    56,845.08x = 1,816,477,180.60
  5. Step 5: Solve for x
    x = 1,816,477,180.60/56,845.08
  6. Step 6: Final answer
    x = 31,954.87

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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.