Home / 55,600.68-76,726-31,729.58

Finding the Fourth Proportional to 55,600.68, 76,726 and 31,729.58

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Solution

The fourth proportional to 55,600.68, 76,726 and 31,729.58 is: 43,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.68 : 76,726 = 31,729.58 : x
  2. Step 2: Convert to fraction form
    55,600.68/76,726 = 31,729.58/x
  3. Step 3: Cross multiply
    55,600.68x = 76,726 × 31,729.58
  4. Step 4: Simplify right side
    55,600.68x = 2,434,483,755.08
  5. Step 5: Solve for x
    x = 2,434,483,755.08/55,600.68
  6. Step 6: Final answer
    x = 43,785.14

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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.