Home / 55,352.54-76,387.38-31,475.36

Finding the Fourth Proportional to 55,352.54, 76,387.38 and 31,475.36

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Solution

The fourth proportional to 55,352.54, 76,387.38 and 31,475.36 is: 43,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,352.54 : 76,387.38 = 31,475.36 : x
  2. Step 2: Convert to fraction form
    55,352.54/76,387.38 = 31,475.36/x
  3. Step 3: Cross multiply
    55,352.54x = 76,387.38 × 31,475.36
  4. Step 4: Simplify right side
    55,352.54x = 2,404,320,284.96
  5. Step 5: Solve for x
    x = 2,404,320,284.96/55,352.54
  6. Step 6: Final answer
    x = 43,436.49

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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.