Home / 64,660.44-89,224.14-35,979

Finding the Fourth Proportional to 64,660.44, 89,224.14 and 35,979

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Solution

The fourth proportional to 64,660.44, 89,224.14 and 35,979 is: 49,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,660.44 : 89,224.14 = 35,979 : x
  2. Step 2: Convert to fraction form
    64,660.44/89,224.14 = 35,979/x
  3. Step 3: Cross multiply
    64,660.44x = 89,224.14 × 35,979
  4. Step 4: Simplify right side
    64,660.44x = 3,210,195,333.06
  5. Step 5: Solve for x
    x = 3,210,195,333.06/64,660.44
  6. Step 6: Final answer
    x = 49,646.98

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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.