Home / 38,621.58-57,933.45-13,658.10

Finding the Fourth Proportional to 38,621.58, 57,933.45 and 13,658.10

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Solution

The fourth proportional to 38,621.58, 57,933.45 and 13,658.10 is: 20,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.58 : 57,933.45 = 13,658.10 : x
  2. Step 2: Convert to fraction form
    38,621.58/57,933.45 = 13,658.10/x
  3. Step 3: Cross multiply
    38,621.58x = 57,933.45 × 13,658.10
  4. Step 4: Simplify right side
    38,621.58x = 791,260,853.45
  5. Step 5: Solve for x
    x = 791,260,853.45/38,621.58
  6. Step 6: Final answer
    x = 20,487.53

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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.