Home / 51,391.43-77,025.78-26,443.43

Finding the Fourth Proportional to 51,391.43, 77,025.78 and 26,443.43

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Solution

The fourth proportional to 51,391.43, 77,025.78 and 26,443.43 is: 39,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,391.43 : 77,025.78 = 26,443.43 : x
  2. Step 2: Convert to fraction form
    51,391.43/77,025.78 = 26,443.43/x
  3. Step 3: Cross multiply
    51,391.43x = 77,025.78 × 26,443.43
  4. Step 4: Simplify right side
    51,391.43x = 2,036,825,821.63
  5. Step 5: Solve for x
    x = 2,036,825,821.63/51,391.43
  6. Step 6: Final answer
    x = 39,633.57

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1.5x scale

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.