Home / 38,513.70-57,770.55-34,431.30

Finding the Fourth Proportional to 38,513.70, 57,770.55 and 34,431.30

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Solution

The fourth proportional to 38,513.70, 57,770.55 and 34,431.30 is: 51,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,513.70 : 57,770.55 = 34,431.30 : x
  2. Step 2: Convert to fraction form
    38,513.70/57,770.55 = 34,431.30/x
  3. Step 3: Cross multiply
    38,513.70x = 57,770.55 × 34,431.30
  4. Step 4: Simplify right side
    38,513.70x = 1,989,115,138.22
  5. Step 5: Solve for x
    x = 1,989,115,138.22/38,513.70
  6. Step 6: Final answer
    x = 51,646.95

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1.5x scale

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.