Home / 65,979.86-98,961.99-18,598.51

Finding the Fourth Proportional to 65,979.86, 98,961.99 and 18,598.51

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Solution

The fourth proportional to 65,979.86, 98,961.99 and 18,598.51 is: 27,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,979.86 : 98,961.99 = 18,598.51 : x
  2. Step 2: Convert to fraction form
    65,979.86/98,961.99 = 18,598.51/x
  3. Step 3: Cross multiply
    65,979.86x = 98,961.99 × 18,598.51
  4. Step 4: Simplify right side
    65,979.86x = 1,840,545,112.32
  5. Step 5: Solve for x
    x = 1,840,545,112.32/65,979.86
  6. Step 6: Final answer
    x = 27,895.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.