Home / 40,764.25-61,155.15-12,683.71

Finding the Fourth Proportional to 40,764.25, 61,155.15 and 12,683.71

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Solution

The fourth proportional to 40,764.25, 61,155.15 and 12,683.71 is: 19,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,764.25 : 61,155.15 = 12,683.71 : x
  2. Step 2: Convert to fraction form
    40,764.25/61,155.15 = 12,683.71/x
  3. Step 3: Cross multiply
    40,764.25x = 61,155.15 × 12,683.71
  4. Step 4: Simplify right side
    40,764.25x = 775,674,187.61
  5. Step 5: Solve for x
    x = 775,674,187.61/40,764.25
  6. Step 6: Final answer
    x = 19,028.30

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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.