Home / 40,778.25-61,167.38-13,076.25

Finding the Fourth Proportional to 40,778.25, 61,167.38 and 13,076.25

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Solution

The fourth proportional to 40,778.25, 61,167.38 and 13,076.25 is: 19,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.25 : 61,167.38 = 13,076.25 : x
  2. Step 2: Convert to fraction form
    40,778.25/61,167.38 = 13,076.25/x
  3. Step 3: Cross multiply
    40,778.25x = 61,167.38 × 13,076.25
  4. Step 4: Simplify right side
    40,778.25x = 799,839,887.34
  5. Step 5: Solve for x
    x = 799,839,887.34/40,778.25
  6. Step 6: Final answer
    x = 19,614.38

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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.