Home / 40,847.18-61,270.81-12,767.38

Finding the Fourth Proportional to 40,847.18, 61,270.81 and 12,767.38

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Solution

The fourth proportional to 40,847.18, 61,270.81 and 12,767.38 is: 19,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,847.18 : 61,270.81 = 12,767.38 : x
  2. Step 2: Convert to fraction form
    40,847.18/61,270.81 = 12,767.38/x
  3. Step 3: Cross multiply
    40,847.18x = 61,270.81 × 12,767.38
  4. Step 4: Simplify right side
    40,847.18x = 782,267,407.82
  5. Step 5: Solve for x
    x = 782,267,407.82/40,847.18
  6. Step 6: Final answer
    x = 19,151.08

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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.