Home / 51,143.32-76,719.34-15,612.62

Finding the Fourth Proportional to 51,143.32, 76,719.34 and 15,612.62

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Solution

The fourth proportional to 51,143.32, 76,719.34 and 15,612.62 is: 23,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,143.32 : 76,719.34 = 15,612.62 : x
  2. Step 2: Convert to fraction form
    51,143.32/76,719.34 = 15,612.62/x
  3. Step 3: Cross multiply
    51,143.32x = 76,719.34 × 15,612.62
  4. Step 4: Simplify right side
    51,143.32x = 1,197,789,902.07
  5. Step 5: Solve for x
    x = 1,197,789,902.07/51,143.32
  6. Step 6: Final answer
    x = 23,420.26

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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.