Home / 53,680.88-74,074.20-31,337.84

Finding the Fourth Proportional to 53,680.88, 74,074.20 and 31,337.84

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Solution

The fourth proportional to 53,680.88, 74,074.20 and 31,337.84 is: 43,243.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,680.88 : 74,074.20 = 31,337.84 : x
  2. Step 2: Convert to fraction form
    53,680.88/74,074.20 = 31,337.84/x
  3. Step 3: Cross multiply
    53,680.88x = 74,074.20 × 31,337.84
  4. Step 4: Simplify right side
    53,680.88x = 2,321,325,427.73
  5. Step 5: Solve for x
    x = 2,321,325,427.73/53,680.88
  6. Step 6: Final answer
    x = 43,243.06

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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.