Home / 65,614.36-98,422.02-28,142.82

Finding the Fourth Proportional to 65,614.36, 98,422.02 and 28,142.82

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Solution

The fourth proportional to 65,614.36, 98,422.02 and 28,142.82 is: 42,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,614.36 : 98,422.02 = 28,142.82 : x
  2. Step 2: Convert to fraction form
    65,614.36/98,422.02 = 28,142.82/x
  3. Step 3: Cross multiply
    65,614.36x = 98,422.02 × 28,142.82
  4. Step 4: Simplify right side
    65,614.36x = 2,769,873,192.90
  5. Step 5: Solve for x
    x = 2,769,873,192.90/65,614.36
  6. Step 6: Final answer
    x = 42,214.44

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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.