Home / 51,130.60-76,593.78-40,618.36

Finding the Fourth Proportional to 51,130.60, 76,593.78 and 40,618.36

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Solution

The fourth proportional to 51,130.60, 76,593.78 and 40,618.36 is: 60,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,130.60 : 76,593.78 = 40,618.36 : x
  2. Step 2: Convert to fraction form
    51,130.60/76,593.78 = 40,618.36/x
  3. Step 3: Cross multiply
    51,130.60x = 76,593.78 × 40,618.36
  4. Step 4: Simplify right side
    51,130.60x = 3,111,113,729.80
  5. Step 5: Solve for x
    x = 3,111,113,729.80/51,130.60
  6. Step 6: Final answer
    x = 60,846.42

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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.