Home / 55,339.29-76,367.87-31,465.97

Finding the Fourth Proportional to 55,339.29, 76,367.87 and 31,465.97

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Solution

The fourth proportional to 55,339.29, 76,367.87 and 31,465.97 is: 43,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.29 : 76,367.87 = 31,465.97 : x
  2. Step 2: Convert to fraction form
    55,339.29/76,367.87 = 31,465.97/x
  3. Step 3: Cross multiply
    55,339.29x = 76,367.87 × 31,465.97
  4. Step 4: Simplify right side
    55,339.29x = 2,402,989,060.09
  5. Step 5: Solve for x
    x = 2,402,989,060.09/55,339.29
  6. Step 6: Final answer
    x = 43,422.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.