Home / 65,891.32-98,837.18-15,971.22

Finding the Fourth Proportional to 65,891.32, 98,837.18 and 15,971.22

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Solution

The fourth proportional to 65,891.32, 98,837.18 and 15,971.22 is: 23,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,891.32 : 98,837.18 = 15,971.22 : x
  2. Step 2: Convert to fraction form
    65,891.32/98,837.18 = 15,971.22/x
  3. Step 3: Cross multiply
    65,891.32x = 98,837.18 × 15,971.22
  4. Step 4: Simplify right side
    65,891.32x = 1,578,550,345.96
  5. Step 5: Solve for x
    x = 1,578,550,345.96/65,891.32
  6. Step 6: Final answer
    x = 23,956.88

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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.