Home / 65,713.14-98,639.85-28,291.74

Finding the Fourth Proportional to 65,713.14, 98,639.85 and 28,291.74

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Solution

The fourth proportional to 65,713.14, 98,639.85 and 28,291.74 is: 42,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,713.14 : 98,639.85 = 28,291.74 : x
  2. Step 2: Convert to fraction form
    65,713.14/98,639.85 = 28,291.74/x
  3. Step 3: Cross multiply
    65,713.14x = 98,639.85 × 28,291.74
  4. Step 4: Simplify right side
    65,713.14x = 2,790,692,989.84
  5. Step 5: Solve for x
    x = 2,790,692,989.84/65,713.14
  6. Step 6: Final answer
    x = 42,467.81

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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.