Home / 65,739.94-98,619.09-21,352.48

Finding the Fourth Proportional to 65,739.94, 98,619.09 and 21,352.48

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Solution

The fourth proportional to 65,739.94, 98,619.09 and 21,352.48 is: 32,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739.94 : 98,619.09 = 21,352.48 : x
  2. Step 2: Convert to fraction form
    65,739.94/98,619.09 = 21,352.48/x
  3. Step 3: Cross multiply
    65,739.94x = 98,619.09 × 21,352.48
  4. Step 4: Simplify right side
    65,739.94x = 2,105,762,146.84
  5. Step 5: Solve for x
    x = 2,105,762,146.84/65,739.94
  6. Step 6: Final answer
    x = 32,031.70

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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.