Home / 42,770.10-64,169.39-26,956.88

Finding the Fourth Proportional to 42,770.10, 64,169.39 and 26,956.88

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Solution

The fourth proportional to 42,770.10, 64,169.39 and 26,956.88 is: 40,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,770.10 : 64,169.39 = 26,956.88 : x
  2. Step 2: Convert to fraction form
    42,770.10/64,169.39 = 26,956.88/x
  3. Step 3: Cross multiply
    42,770.10x = 64,169.39 × 26,956.88
  4. Step 4: Simplify right side
    42,770.10x = 1,729,806,545.90
  5. Step 5: Solve for x
    x = 1,729,806,545.90/42,770.10
  6. Step 6: Final answer
    x = 40,444.30

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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.