Home / 54,326.60-81,441.30-35,615.60

Finding the Fourth Proportional to 54,326.60, 81,441.30 and 35,615.60

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Solution

The fourth proportional to 54,326.60, 81,441.30 and 35,615.60 is: 53,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,326.60 : 81,441.30 = 35,615.60 : x
  2. Step 2: Convert to fraction form
    54,326.60/81,441.30 = 35,615.60/x
  3. Step 3: Cross multiply
    54,326.60x = 81,441.30 × 35,615.60
  4. Step 4: Simplify right side
    54,326.60x = 2,900,580,764.28
  5. Step 5: Solve for x
    x = 2,900,580,764.28/54,326.60
  6. Step 6: Final answer
    x = 53,391.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.