Home / 66,867.56-92,274-40,024.88

Finding the Fourth Proportional to 66,867.56, 92,274 and 40,024.88

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Solution

The fourth proportional to 66,867.56, 92,274 and 40,024.88 is: 55,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,867.56 : 92,274 = 40,024.88 : x
  2. Step 2: Convert to fraction form
    66,867.56/92,274 = 40,024.88/x
  3. Step 3: Cross multiply
    66,867.56x = 92,274 × 40,024.88
  4. Step 4: Simplify right side
    66,867.56x = 3,693,255,777.12
  5. Step 5: Solve for x
    x = 3,693,255,777.12/66,867.56
  6. Step 6: Final answer
    x = 55,232.40

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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.