Home / 30,890.28-46,347.96-11,170.82

Finding the Fourth Proportional to 30,890.28, 46,347.96 and 11,170.82

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Solution

The fourth proportional to 30,890.28, 46,347.96 and 11,170.82 is: 16,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890.28 : 46,347.96 = 11,170.82 : x
  2. Step 2: Convert to fraction form
    30,890.28/46,347.96 = 11,170.82/x
  3. Step 3: Cross multiply
    30,890.28x = 46,347.96 × 11,170.82
  4. Step 4: Simplify right side
    30,890.28x = 517,744,718.53
  5. Step 5: Solve for x
    x = 517,744,718.53/30,890.28
  6. Step 6: Final answer
    x = 16,760.76

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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.