Home / 82,364.90-123,546.99-20,035.70

Finding the Fourth Proportional to 82,364.90, 123,546.99 and 20,035.70

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Solution

The fourth proportional to 82,364.90, 123,546.99 and 20,035.70 is: 30,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,364.90 : 123,546.99 = 20,035.70 : x
  2. Step 2: Convert to fraction form
    82,364.90/123,546.99 = 20,035.70/x
  3. Step 3: Cross multiply
    82,364.90x = 123,546.99 × 20,035.70
  4. Step 4: Simplify right side
    82,364.90x = 2,475,350,427.54
  5. Step 5: Solve for x
    x = 2,475,350,427.54/82,364.90
  6. Step 6: Final answer
    x = 30,053.46

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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.