Home / 38,286.04-52,839.54-21,519

Finding the Fourth Proportional to 38,286.04, 52,839.54 and 21,519

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Solution

The fourth proportional to 38,286.04, 52,839.54 and 21,519 is: 29,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.04 : 52,839.54 = 21,519 : x
  2. Step 2: Convert to fraction form
    38,286.04/52,839.54 = 21,519/x
  3. Step 3: Cross multiply
    38,286.04x = 52,839.54 × 21,519
  4. Step 4: Simplify right side
    38,286.04x = 1,137,054,061.26
  5. Step 5: Solve for x
    x = 1,137,054,061.26/38,286.04
  6. Step 6: Final answer
    x = 29,698.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.