Home / 33,458.70-50,154.30-12,385.20

Finding the Fourth Proportional to 33,458.70, 50,154.30 and 12,385.20

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Solution

The fourth proportional to 33,458.70, 50,154.30 and 12,385.20 is: 18,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,458.70 : 50,154.30 = 12,385.20 : x
  2. Step 2: Convert to fraction form
    33,458.70/50,154.30 = 12,385.20/x
  3. Step 3: Cross multiply
    33,458.70x = 50,154.30 × 12,385.20
  4. Step 4: Simplify right side
    33,458.70x = 621,171,036.36
  5. Step 5: Solve for x
    x = 621,171,036.36/33,458.70
  6. Step 6: Final answer
    x = 18,565.31

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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.