Home / 66,985.56-92,410.74-38,674.44

Finding the Fourth Proportional to 66,985.56, 92,410.74 and 38,674.44

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Solution

The fourth proportional to 66,985.56, 92,410.74 and 38,674.44 is: 53,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,985.56 : 92,410.74 = 38,674.44 : x
  2. Step 2: Convert to fraction form
    66,985.56/92,410.74 = 38,674.44/x
  3. Step 3: Cross multiply
    66,985.56x = 92,410.74 × 38,674.44
  4. Step 4: Simplify right side
    66,985.56x = 3,573,933,619.49
  5. Step 5: Solve for x
    x = 3,573,933,619.49/66,985.56
  6. Step 6: Final answer
    x = 53,353.79

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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.