Home / 40,900.28-61,351.78-11,315.63

Finding the Fourth Proportional to 40,900.28, 61,351.78 and 11,315.63

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Solution

The fourth proportional to 40,900.28, 61,351.78 and 11,315.63 is: 16,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,900.28 : 61,351.78 = 11,315.63 : x
  2. Step 2: Convert to fraction form
    40,900.28/61,351.78 = 11,315.63/x
  3. Step 3: Cross multiply
    40,900.28x = 61,351.78 × 11,315.63
  4. Step 4: Simplify right side
    40,900.28x = 694,234,167.41
  5. Step 5: Solve for x
    x = 694,234,167.41/40,900.28
  6. Step 6: Final answer
    x = 16,973.83

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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.