Home / 51,134.78-76,720.65-17,859.74

Finding the Fourth Proportional to 51,134.78, 76,720.65 and 17,859.74

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Solution

The fourth proportional to 51,134.78, 76,720.65 and 17,859.74 is: 26,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.78 : 76,720.65 = 17,859.74 : x
  2. Step 2: Convert to fraction form
    51,134.78/76,720.65 = 17,859.74/x
  3. Step 3: Cross multiply
    51,134.78x = 76,720.65 × 17,859.74
  4. Step 4: Simplify right side
    51,134.78x = 1,370,210,861.63
  5. Step 5: Solve for x
    x = 1,370,210,861.63/51,134.78
  6. Step 6: Final answer
    x = 26,796.06

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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.