Home / 55,168.74-76,133.25-30,018.78

Finding the Fourth Proportional to 55,168.74, 76,133.25 and 30,018.78

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Solution

The fourth proportional to 55,168.74, 76,133.25 and 30,018.78 is: 41,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168.74 : 76,133.25 = 30,018.78 : x
  2. Step 2: Convert to fraction form
    55,168.74/76,133.25 = 30,018.78/x
  3. Step 3: Cross multiply
    55,168.74x = 76,133.25 × 30,018.78
  4. Step 4: Simplify right side
    55,168.74x = 2,285,427,282.44
  5. Step 5: Solve for x
    x = 2,285,427,282.44/55,168.74
  6. Step 6: Final answer
    x = 41,426.13

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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.