Home / 55,208.25-76,187.40-30,057.75

Finding the Fourth Proportional to 55,208.25, 76,187.40 and 30,057.75

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Solution

The fourth proportional to 55,208.25, 76,187.40 and 30,057.75 is: 41,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,208.25 : 76,187.40 = 30,057.75 : x
  2. Step 2: Convert to fraction form
    55,208.25/76,187.40 = 30,057.75/x
  3. Step 3: Cross multiply
    55,208.25x = 76,187.40 × 30,057.75
  4. Step 4: Simplify right side
    55,208.25x = 2,290,021,822.35
  5. Step 5: Solve for x
    x = 2,290,021,822.35/55,208.25
  6. Step 6: Final answer
    x = 41,479.70

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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.