Home / 54,400.25-75,079.80-30,528.33

Finding the Fourth Proportional to 54,400.25, 75,079.80 and 30,528.33

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Solution

The fourth proportional to 54,400.25, 75,079.80 and 30,528.33 is: 42,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,400.25 : 75,079.80 = 30,528.33 : x
  2. Step 2: Convert to fraction form
    54,400.25/75,079.80 = 30,528.33/x
  3. Step 3: Cross multiply
    54,400.25x = 75,079.80 × 30,528.33
  4. Step 4: Simplify right side
    54,400.25x = 2,292,060,910.73
  5. Step 5: Solve for x
    x = 2,292,060,910.73/54,400.25
  6. Step 6: Final answer
    x = 42,133.28

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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.