Home / 55,180.98-76,147.52-31,307.18

Finding the Fourth Proportional to 55,180.98, 76,147.52 and 31,307.18

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Solution

The fourth proportional to 55,180.98, 76,147.52 and 31,307.18 is: 43,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,180.98 : 76,147.52 = 31,307.18 : x
  2. Step 2: Convert to fraction form
    55,180.98/76,147.52 = 31,307.18/x
  3. Step 3: Cross multiply
    55,180.98x = 76,147.52 × 31,307.18
  4. Step 4: Simplify right side
    55,180.98x = 2,383,963,577.92
  5. Step 5: Solve for x
    x = 2,383,963,577.92/55,180.98
  6. Step 6: Final answer
    x = 43,202.63

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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.