Home / 51,159.60-76,637.22-40,647.42

Finding the Fourth Proportional to 51,159.60, 76,637.22 and 40,647.42

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Solution

The fourth proportional to 51,159.60, 76,637.22 and 40,647.42 is: 60,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,159.60 : 76,637.22 = 40,647.42 : x
  2. Step 2: Convert to fraction form
    51,159.60/76,637.22 = 40,647.42/x
  3. Step 3: Cross multiply
    51,159.60x = 76,637.22 × 40,647.42
  4. Step 4: Simplify right side
    51,159.60x = 3,115,105,268.97
  5. Step 5: Solve for x
    x = 3,115,105,268.97/51,159.60
  6. Step 6: Final answer
    x = 60,889.95

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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.