Home / 70,517.39-105,776.33-17,926.87

Finding the Fourth Proportional to 70,517.39, 105,776.33 and 17,926.87

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Solution

The fourth proportional to 70,517.39, 105,776.33 and 17,926.87 is: 26,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,517.39 : 105,776.33 = 17,926.87 : x
  2. Step 2: Convert to fraction form
    70,517.39/105,776.33 = 17,926.87/x
  3. Step 3: Cross multiply
    70,517.39x = 105,776.33 × 17,926.87
  4. Step 4: Simplify right side
    70,517.39x = 1,896,238,462.08
  5. Step 5: Solve for x
    x = 1,896,238,462.08/70,517.39
  6. Step 6: Final answer
    x = 26,890.37

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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.