Home / 39,839.12-59,795.63-20,131.52

Finding the Fourth Proportional to 39,839.12, 59,795.63 and 20,131.52

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Solution

The fourth proportional to 39,839.12, 59,795.63 and 20,131.52 is: 30,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,839.12 : 59,795.63 = 20,131.52 : x
  2. Step 2: Convert to fraction form
    39,839.12/59,795.63 = 20,131.52/x
  3. Step 3: Cross multiply
    39,839.12x = 59,795.63 × 20,131.52
  4. Step 4: Simplify right side
    39,839.12x = 1,203,776,521.62
  5. Step 5: Solve for x
    x = 1,203,776,521.62/39,839.12
  6. Step 6: Final answer
    x = 30,215.95

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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.