Home / 65,756.22-98,635.05-19,009.50

Finding the Fourth Proportional to 65,756.22, 98,635.05 and 19,009.50

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Solution

The fourth proportional to 65,756.22, 98,635.05 and 19,009.50 is: 28,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,756.22 : 98,635.05 = 19,009.50 : x
  2. Step 2: Convert to fraction form
    65,756.22/98,635.05 = 19,009.50/x
  3. Step 3: Cross multiply
    65,756.22x = 98,635.05 × 19,009.50
  4. Step 4: Simplify right side
    65,756.22x = 1,875,002,982.98
  5. Step 5: Solve for x
    x = 1,875,002,982.98/65,756.22
  6. Step 6: Final answer
    x = 28,514.46

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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.