Home / 38,839.04-58,277.76-13,891.20

Finding the Fourth Proportional to 38,839.04, 58,277.76 and 13,891.20

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Solution

The fourth proportional to 38,839.04, 58,277.76 and 13,891.20 is: 20,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.04 : 58,277.76 = 13,891.20 : x
  2. Step 2: Convert to fraction form
    38,839.04/58,277.76 = 13,891.20/x
  3. Step 3: Cross multiply
    38,839.04x = 58,277.76 × 13,891.20
  4. Step 4: Simplify right side
    38,839.04x = 809,548,019.71
  5. Step 5: Solve for x
    x = 809,548,019.71/38,839.04
  6. Step 6: Final answer
    x = 20,843.67

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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.