Home / 65,889.12-98,846.10-26,449.32

Finding the Fourth Proportional to 65,889.12, 98,846.10 and 26,449.32

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Solution

The fourth proportional to 65,889.12, 98,846.10 and 26,449.32 is: 39,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,889.12 : 98,846.10 = 26,449.32 : x
  2. Step 2: Convert to fraction form
    65,889.12/98,846.10 = 26,449.32/x
  3. Step 3: Cross multiply
    65,889.12x = 98,846.10 × 26,449.32
  4. Step 4: Simplify right side
    65,889.12x = 2,614,412,129.65
  5. Step 5: Solve for x
    x = 2,614,412,129.65/65,889.12
  6. Step 6: Final answer
    x = 39,678.97

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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.