Home / 54,975.95-75,873.97-30,786.13

Finding the Fourth Proportional to 54,975.95, 75,873.97 and 30,786.13

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Solution

The fourth proportional to 54,975.95, 75,873.97 and 30,786.13 is: 42,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.95 : 75,873.97 = 30,786.13 : x
  2. Step 2: Convert to fraction form
    54,975.95/75,873.97 = 30,786.13/x
  3. Step 3: Cross multiply
    54,975.95x = 75,873.97 × 30,786.13
  4. Step 4: Simplify right side
    54,975.95x = 2,335,865,437.40
  5. Step 5: Solve for x
    x = 2,335,865,437.40/54,975.95
  6. Step 6: Final answer
    x = 42,488.86

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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.