Home / 51,376.72-76,811.92-43,566.40

Finding the Fourth Proportional to 51,376.72, 76,811.92 and 43,566.40

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Solution

The fourth proportional to 51,376.72, 76,811.92 and 43,566.40 is: 65,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,376.72 : 76,811.92 = 43,566.40 : x
  2. Step 2: Convert to fraction form
    51,376.72/76,811.92 = 43,566.40/x
  3. Step 3: Cross multiply
    51,376.72x = 76,811.92 × 43,566.40
  4. Step 4: Simplify right side
    51,376.72x = 3,346,418,831.49
  5. Step 5: Solve for x
    x = 3,346,418,831.49/51,376.72
  6. Step 6: Final answer
    x = 65,134.93

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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.