Home / 65,895.32-90,935.56-35,680.64

Finding the Fourth Proportional to 65,895.32, 90,935.56 and 35,680.64

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Solution

The fourth proportional to 65,895.32, 90,935.56 and 35,680.64 is: 49,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,895.32 : 90,935.56 = 35,680.64 : x
  2. Step 2: Convert to fraction form
    65,895.32/90,935.56 = 35,680.64/x
  3. Step 3: Cross multiply
    65,895.32x = 90,935.56 × 35,680.64
  4. Step 4: Simplify right side
    65,895.32x = 3,244,638,979.56
  5. Step 5: Solve for x
    x = 3,244,638,979.56/65,895.32
  6. Step 6: Final answer
    x = 49,239.29

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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.