Home / 54,393.06-75,062.50-30,519.92

Finding the Fourth Proportional to 54,393.06, 75,062.50 and 30,519.92

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Solution

The fourth proportional to 54,393.06, 75,062.50 and 30,519.92 is: 42,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,393.06 : 75,062.50 = 30,519.92 : x
  2. Step 2: Convert to fraction form
    54,393.06/75,062.50 = 30,519.92/x
  3. Step 3: Cross multiply
    54,393.06x = 75,062.50 × 30,519.92
  4. Step 4: Simplify right side
    54,393.06x = 2,290,901,495
  5. Step 5: Solve for x
    x = 2,290,901,495/54,393.06
  6. Step 6: Final answer
    x = 42,117.53

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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.