Home / 51,236.19-76,869.14-21,244.86

Finding the Fourth Proportional to 51,236.19, 76,869.14 and 21,244.86

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Solution

The fourth proportional to 51,236.19, 76,869.14 and 21,244.86 is: 31,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,236.19 : 76,869.14 = 21,244.86 : x
  2. Step 2: Convert to fraction form
    51,236.19/76,869.14 = 21,244.86/x
  3. Step 3: Cross multiply
    51,236.19x = 76,869.14 × 21,244.86
  4. Step 4: Simplify right side
    51,236.19x = 1,633,074,011.40
  5. Step 5: Solve for x
    x = 1,633,074,011.40/51,236.19
  6. Step 6: Final answer
    x = 31,873.45

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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.