Home / 40,685.14-61,026.90-11,105.56

Finding the Fourth Proportional to 40,685.14, 61,026.90 and 11,105.56

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Solution

The fourth proportional to 40,685.14, 61,026.90 and 11,105.56 is: 16,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,685.14 : 61,026.90 = 11,105.56 : x
  2. Step 2: Convert to fraction form
    40,685.14/61,026.90 = 11,105.56/x
  3. Step 3: Cross multiply
    40,685.14x = 61,026.90 × 11,105.56
  4. Step 4: Simplify right side
    40,685.14x = 677,737,899.56
  5. Step 5: Solve for x
    x = 677,737,899.56/40,685.14
  6. Step 6: Final answer
    x = 16,658.12

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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.