Home / 38,071.19-57,087.07-20,297.07

Finding the Fourth Proportional to 38,071.19, 57,087.07 and 20,297.07

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Solution

The fourth proportional to 38,071.19, 57,087.07 and 20,297.07 is: 30,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.19 : 57,087.07 = 20,297.07 : x
  2. Step 2: Convert to fraction form
    38,071.19/57,087.07 = 20,297.07/x
  3. Step 3: Cross multiply
    38,071.19x = 57,087.07 × 20,297.07
  4. Step 4: Simplify right side
    38,071.19x = 1,158,700,255.88
  5. Step 5: Solve for x
    x = 1,158,700,255.88/38,071.19
  6. Step 6: Final answer
    x = 30,435.09

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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.