Home / 42,770.29-64,154.35-11,604.73

Finding the Fourth Proportional to 42,770.29, 64,154.35 and 11,604.73

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Solution

The fourth proportional to 42,770.29, 64,154.35 and 11,604.73 is: 17,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,770.29 : 64,154.35 = 11,604.73 : x
  2. Step 2: Convert to fraction form
    42,770.29/64,154.35 = 11,604.73/x
  3. Step 3: Cross multiply
    42,770.29x = 64,154.35 × 11,604.73
  4. Step 4: Simplify right side
    42,770.29x = 744,493,910.08
  5. Step 5: Solve for x
    x = 744,493,910.08/42,770.29
  6. Step 6: Final answer
    x = 17,406.80

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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.