Home / 65,723.10-98,599.05-21,342.30

Finding the Fourth Proportional to 65,723.10, 98,599.05 and 21,342.30

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Solution

The fourth proportional to 65,723.10, 98,599.05 and 21,342.30 is: 32,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723.10 : 98,599.05 = 21,342.30 : x
  2. Step 2: Convert to fraction form
    65,723.10/98,599.05 = 21,342.30/x
  3. Step 3: Cross multiply
    65,723.10x = 98,599.05 × 21,342.30
  4. Step 4: Simplify right side
    65,723.10x = 2,104,330,504.82
  5. Step 5: Solve for x
    x = 2,104,330,504.82/65,723.10
  6. Step 6: Final answer
    x = 32,018.13

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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.