Home / 57,299.06-85,899.71-21,740.49

Finding the Fourth Proportional to 57,299.06, 85,899.71 and 21,740.49

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Solution

The fourth proportional to 57,299.06, 85,899.71 and 21,740.49 is: 32,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,299.06 : 85,899.71 = 21,740.49 : x
  2. Step 2: Convert to fraction form
    57,299.06/85,899.71 = 21,740.49/x
  3. Step 3: Cross multiply
    57,299.06x = 85,899.71 × 21,740.49
  4. Step 4: Simplify right side
    57,299.06x = 1,867,501,677.56
  5. Step 5: Solve for x
    x = 1,867,501,677.56/57,299.06
  6. Step 6: Final answer
    x = 32,592.19

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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.