Home / 38,860.54-58,309.25-20,137.07

Finding the Fourth Proportional to 38,860.54, 58,309.25 and 20,137.07

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Solution

The fourth proportional to 38,860.54, 58,309.25 and 20,137.07 is: 30,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,860.54 : 58,309.25 = 20,137.07 : x
  2. Step 2: Convert to fraction form
    38,860.54/58,309.25 = 20,137.07/x
  3. Step 3: Cross multiply
    38,860.54x = 58,309.25 × 20,137.07
  4. Step 4: Simplify right side
    38,860.54x = 1,174,177,493.99
  5. Step 5: Solve for x
    x = 1,174,177,493.99/38,860.54
  6. Step 6: Final answer
    x = 30,215.16

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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.