Home / 65,730.13-98,607.44-21,344.96

Finding the Fourth Proportional to 65,730.13, 98,607.44 and 21,344.96

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Solution

The fourth proportional to 65,730.13, 98,607.44 and 21,344.96 is: 32,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,730.13 : 98,607.44 = 21,344.96 : x
  2. Step 2: Convert to fraction form
    65,730.13/98,607.44 = 21,344.96/x
  3. Step 3: Cross multiply
    65,730.13x = 98,607.44 × 21,344.96
  4. Step 4: Simplify right side
    65,730.13x = 2,104,772,162.38
  5. Step 5: Solve for x
    x = 2,104,772,162.38/65,730.13
  6. Step 6: Final answer
    x = 32,021.42

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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.