Home / 55,066.20-75,992.30-31,192.28

Finding the Fourth Proportional to 55,066.20, 75,992.30 and 31,192.28

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Solution

The fourth proportional to 55,066.20, 75,992.30 and 31,192.28 is: 43,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,066.20 : 75,992.30 = 31,192.28 : x
  2. Step 2: Convert to fraction form
    55,066.20/75,992.30 = 31,192.28/x
  3. Step 3: Cross multiply
    55,066.20x = 75,992.30 × 31,192.28
  4. Step 4: Simplify right side
    55,066.20x = 2,370,373,099.44
  5. Step 5: Solve for x
    x = 2,370,373,099.44/55,066.20
  6. Step 6: Final answer
    x = 43,045.88

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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.