Home / 55,321.12-76,262.61-43,995.16

Finding the Fourth Proportional to 55,321.12, 76,262.61 and 43,995.16

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Solution

The fourth proportional to 55,321.12, 76,262.61 and 43,995.16 is: 60,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,321.12 : 76,262.61 = 43,995.16 : x
  2. Step 2: Convert to fraction form
    55,321.12/76,262.61 = 43,995.16/x
  3. Step 3: Cross multiply
    55,321.12x = 76,262.61 × 43,995.16
  4. Step 4: Simplify right side
    55,321.12x = 3,355,185,728.97
  5. Step 5: Solve for x
    x = 3,355,185,728.97/55,321.12
  6. Step 6: Final answer
    x = 60,649.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.