Home / 55,742.08-76,902.17-31,855.94

Finding the Fourth Proportional to 55,742.08, 76,902.17 and 31,855.94

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Solution

The fourth proportional to 55,742.08, 76,902.17 and 31,855.94 is: 43,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,742.08 : 76,902.17 = 31,855.94 : x
  2. Step 2: Convert to fraction form
    55,742.08/76,902.17 = 31,855.94/x
  3. Step 3: Cross multiply
    55,742.08x = 76,902.17 × 31,855.94
  4. Step 4: Simplify right side
    55,742.08x = 2,449,790,913.39
  5. Step 5: Solve for x
    x = 2,449,790,913.39/55,742.08
  6. Step 6: Final answer
    x = 43,948.68

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1.5x scale

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.