Home / 65,471.10-98,194.77-18,712.50

Finding the Fourth Proportional to 65,471.10, 98,194.77 and 18,712.50

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Solution

The fourth proportional to 65,471.10, 98,194.77 and 18,712.50 is: 28,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,471.10 : 98,194.77 = 18,712.50 : x
  2. Step 2: Convert to fraction form
    65,471.10/98,194.77 = 18,712.50/x
  3. Step 3: Cross multiply
    65,471.10x = 98,194.77 × 18,712.50
  4. Step 4: Simplify right side
    65,471.10x = 1,837,469,633.63
  5. Step 5: Solve for x
    x = 1,837,469,633.63/65,471.10
  6. Step 6: Final answer
    x = 28,065.35

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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.