Home / 38,346.64-57,505.52-13,380.24

Finding the Fourth Proportional to 38,346.64, 57,505.52 and 13,380.24

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Solution

The fourth proportional to 38,346.64, 57,505.52 and 13,380.24 is: 20,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.64 : 57,505.52 = 13,380.24 : x
  2. Step 2: Convert to fraction form
    38,346.64/57,505.52 = 13,380.24/x
  3. Step 3: Cross multiply
    38,346.64x = 57,505.52 × 13,380.24
  4. Step 4: Simplify right side
    38,346.64x = 769,437,658.92
  5. Step 5: Solve for x
    x = 769,437,658.92/38,346.64
  6. Step 6: Final answer
    x = 20,065.32

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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.