Home / 38,847.06-58,145.28-20,101.30

Finding the Fourth Proportional to 38,847.06, 58,145.28 and 20,101.30

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Solution

The fourth proportional to 38,847.06, 58,145.28 and 20,101.30 is: 30,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,847.06 : 58,145.28 = 20,101.30 : x
  2. Step 2: Convert to fraction form
    38,847.06/58,145.28 = 20,101.30/x
  3. Step 3: Cross multiply
    38,847.06x = 58,145.28 × 20,101.30
  4. Step 4: Simplify right side
    38,847.06x = 1,168,795,496.12
  5. Step 5: Solve for x
    x = 1,168,795,496.12/38,847.06
  6. Step 6: Final answer
    x = 30,087.10

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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.