Home / 55,761.82-76,950.07-31,228.54

Finding the Fourth Proportional to 55,761.82, 76,950.07 and 31,228.54

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Solution

The fourth proportional to 55,761.82, 76,950.07 and 31,228.54 is: 43,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,761.82 : 76,950.07 = 31,228.54 : x
  2. Step 2: Convert to fraction form
    55,761.82/76,950.07 = 31,228.54/x
  3. Step 3: Cross multiply
    55,761.82x = 76,950.07 × 31,228.54
  4. Step 4: Simplify right side
    55,761.82x = 2,403,038,068.55
  5. Step 5: Solve for x
    x = 2,403,038,068.55/55,761.82
  6. Step 6: Final answer
    x = 43,094.69

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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.