Home / 51,412.32-77,123.52-26,383.68

Finding the Fourth Proportional to 51,412.32, 77,123.52 and 26,383.68

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Solution

The fourth proportional to 51,412.32, 77,123.52 and 26,383.68 is: 39,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.32 : 77,123.52 = 26,383.68 : x
  2. Step 2: Convert to fraction form
    51,412.32/77,123.52 = 26,383.68/x
  3. Step 3: Cross multiply
    51,412.32x = 77,123.52 × 26,383.68
  4. Step 4: Simplify right side
    51,412.32x = 2,034,802,272.15
  5. Step 5: Solve for x
    x = 2,034,802,272.15/51,412.32
  6. Step 6: Final answer
    x = 39,578.11

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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.