Home / 38,780.36-58,177.36-20,055.30

Finding the Fourth Proportional to 38,780.36, 58,177.36 and 20,055.30

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Solution

The fourth proportional to 38,780.36, 58,177.36 and 20,055.30 is: 30,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,780.36 : 58,177.36 = 20,055.30 : x
  2. Step 2: Convert to fraction form
    38,780.36/58,177.36 = 20,055.30/x
  3. Step 3: Cross multiply
    38,780.36x = 58,177.36 × 20,055.30
  4. Step 4: Simplify right side
    38,780.36x = 1,166,764,408.01
  5. Step 5: Solve for x
    x = 1,166,764,408.01/38,780.36
  6. Step 6: Final answer
    x = 30,086.48

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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.