Home / 65,803.23-98,694.77-21,429.63

Finding the Fourth Proportional to 65,803.23, 98,694.77 and 21,429.63

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Solution

The fourth proportional to 65,803.23, 98,694.77 and 21,429.63 is: 32,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,803.23 : 98,694.77 = 21,429.63 : x
  2. Step 2: Convert to fraction form
    65,803.23/98,694.77 = 21,429.63/x
  3. Step 3: Cross multiply
    65,803.23x = 98,694.77 × 21,429.63
  4. Step 4: Simplify right side
    65,803.23x = 2,114,992,296.89
  5. Step 5: Solve for x
    x = 2,114,992,296.89/65,803.23
  6. Step 6: Final answer
    x = 32,141.16

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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.