Home / 65,874.24-98,809.92-19,125.12

Finding the Fourth Proportional to 65,874.24, 98,809.92 and 19,125.12

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Solution

The fourth proportional to 65,874.24, 98,809.92 and 19,125.12 is: 28,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,874.24 : 98,809.92 = 19,125.12 : x
  2. Step 2: Convert to fraction form
    65,874.24/98,809.92 = 19,125.12/x
  3. Step 3: Cross multiply
    65,874.24x = 98,809.92 × 19,125.12
  4. Step 4: Simplify right side
    65,874.24x = 1,889,751,577.19
  5. Step 5: Solve for x
    x = 1,889,751,577.19/65,874.24
  6. Step 6: Final answer
    x = 28,687.26

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1.5x scale

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.