Home / 51,932.69-77,865.75-21,938.81

Finding the Fourth Proportional to 51,932.69, 77,865.75 and 21,938.81

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Solution

The fourth proportional to 51,932.69, 77,865.75 and 21,938.81 is: 32,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,932.69 : 77,865.75 = 21,938.81 : x
  2. Step 2: Convert to fraction form
    51,932.69/77,865.75 = 21,938.81/x
  3. Step 3: Cross multiply
    51,932.69x = 77,865.75 × 21,938.81
  4. Step 4: Simplify right side
    51,932.69x = 1,708,282,007.15
  5. Step 5: Solve for x
    x = 1,708,282,007.15/51,932.69
  6. Step 6: Final answer
    x = 32,894.15

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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.