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Finding the Fourth Proportional to 64,653.56, 89,219.04 and 35,974.70

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Solution

The fourth proportional to 64,653.56, 89,219.04 and 35,974.70 is: 49,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,653.56 : 89,219.04 = 35,974.70 : x
  2. Step 2: Convert to fraction form
    64,653.56/89,219.04 = 35,974.70/x
  3. Step 3: Cross multiply
    64,653.56x = 89,219.04 × 35,974.70
  4. Step 4: Simplify right side
    64,653.56x = 3,209,628,198.29
  5. Step 5: Solve for x
    x = 3,209,628,198.29/64,653.56
  6. Step 6: Final answer
    x = 49,643.49

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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.