Home / 65,909.37-98,863.68-15,989.49

Finding the Fourth Proportional to 65,909.37, 98,863.68 and 15,989.49

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Solution

The fourth proportional to 65,909.37, 98,863.68 and 15,989.49 is: 23,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,909.37 : 98,863.68 = 15,989.49 : x
  2. Step 2: Convert to fraction form
    65,909.37/98,863.68 = 15,989.49/x
  3. Step 3: Cross multiply
    65,909.37x = 98,863.68 × 15,989.49
  4. Step 4: Simplify right side
    65,909.37x = 1,580,779,822.72
  5. Step 5: Solve for x
    x = 1,580,779,822.72/65,909.37
  6. Step 6: Final answer
    x = 23,984.14

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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.