Home / 55,751.78-76,937.42-31,552.31

Finding the Fourth Proportional to 55,751.78, 76,937.42 and 31,552.31

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Solution

The fourth proportional to 55,751.78, 76,937.42 and 31,552.31 is: 43,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,751.78 : 76,937.42 = 31,552.31 : x
  2. Step 2: Convert to fraction form
    55,751.78/76,937.42 = 31,552.31/x
  3. Step 3: Cross multiply
    55,751.78x = 76,937.42 × 31,552.31
  4. Step 4: Simplify right side
    55,751.78x = 2,427,552,941.75
  5. Step 5: Solve for x
    x = 2,427,552,941.75/55,751.78
  6. Step 6: Final answer
    x = 43,542.16

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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.