Home / 38,069.64-57,086.78-20,295.81

Finding the Fourth Proportional to 38,069.64, 57,086.78 and 20,295.81

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Solution

The fourth proportional to 38,069.64, 57,086.78 and 20,295.81 is: 30,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,069.64 : 57,086.78 = 20,295.81 : x
  2. Step 2: Convert to fraction form
    38,069.64/57,086.78 = 20,295.81/x
  3. Step 3: Cross multiply
    38,069.64x = 57,086.78 × 20,295.81
  4. Step 4: Simplify right side
    38,069.64x = 1,158,622,338.91
  5. Step 5: Solve for x
    x = 1,158,622,338.91/38,069.64
  6. Step 6: Final answer
    x = 30,434.29

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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.