Home / 53,451.10-73,770.34-30,785.73

Finding the Fourth Proportional to 53,451.10, 73,770.34 and 30,785.73

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Solution

The fourth proportional to 53,451.10, 73,770.34 and 30,785.73 is: 42,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,451.10 : 73,770.34 = 30,785.73 : x
  2. Step 2: Convert to fraction form
    53,451.10/73,770.34 = 30,785.73/x
  3. Step 3: Cross multiply
    53,451.10x = 73,770.34 × 30,785.73
  4. Step 4: Simplify right side
    53,451.10x = 2,271,073,692.28
  5. Step 5: Solve for x
    x = 2,271,073,692.28/53,451.10
  6. Step 6: Final answer
    x = 42,488.81

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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.