Home / 65,919.49-98,879.27-15,999.66

Finding the Fourth Proportional to 65,919.49, 98,879.27 and 15,999.66

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Solution

The fourth proportional to 65,919.49, 98,879.27 and 15,999.66 is: 23,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,919.49 : 98,879.27 = 15,999.66 : x
  2. Step 2: Convert to fraction form
    65,919.49/98,879.27 = 15,999.66/x
  3. Step 3: Cross multiply
    65,919.49x = 98,879.27 × 15,999.66
  4. Step 4: Simplify right side
    65,919.49x = 1,582,034,621.05
  5. Step 5: Solve for x
    x = 1,582,034,621.05/65,919.49
  6. Step 6: Final answer
    x = 23,999.50

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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.