Home / 60,729.40-91,046.70-38,538.64

Finding the Fourth Proportional to 60,729.40, 91,046.70 and 38,538.64

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Solution

The fourth proportional to 60,729.40, 91,046.70 and 38,538.64 is: 57,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,729.40 : 91,046.70 = 38,538.64 : x
  2. Step 2: Convert to fraction form
    60,729.40/91,046.70 = 38,538.64/x
  3. Step 3: Cross multiply
    60,729.40x = 91,046.70 × 38,538.64
  4. Step 4: Simplify right side
    60,729.40x = 3,508,815,994.49
  5. Step 5: Solve for x
    x = 3,508,815,994.49/60,729.40
  6. Step 6: Final answer
    x = 57,777.88

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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.