Home / 65,995.08-98,997.48-19,249.20

Finding the Fourth Proportional to 65,995.08, 98,997.48 and 19,249.20

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Solution

The fourth proportional to 65,995.08, 98,997.48 and 19,249.20 is: 28,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,995.08 : 98,997.48 = 19,249.20 : x
  2. Step 2: Convert to fraction form
    65,995.08/98,997.48 = 19,249.20/x
  3. Step 3: Cross multiply
    65,995.08x = 98,997.48 × 19,249.20
  4. Step 4: Simplify right side
    65,995.08x = 1,905,622,292.02
  5. Step 5: Solve for x
    x = 1,905,622,292.02/65,995.08
  6. Step 6: Final answer
    x = 28,875.22

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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.