Home / 65,412.24-98,134.68-18,665.52

Finding the Fourth Proportional to 65,412.24, 98,134.68 and 18,665.52

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Solution

The fourth proportional to 65,412.24, 98,134.68 and 18,665.52 is: 28,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,412.24 : 98,134.68 = 18,665.52 : x
  2. Step 2: Convert to fraction form
    65,412.24/98,134.68 = 18,665.52/x
  3. Step 3: Cross multiply
    65,412.24x = 98,134.68 × 18,665.52
  4. Step 4: Simplify right side
    65,412.24x = 1,831,734,832.23
  5. Step 5: Solve for x
    x = 1,831,734,832.23/65,412.24
  6. Step 6: Final answer
    x = 28,002.94

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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.