Home / 54,947.82-75,823.93-30,745.57

Finding the Fourth Proportional to 54,947.82, 75,823.93 and 30,745.57

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Solution

The fourth proportional to 54,947.82, 75,823.93 and 30,745.57 is: 42,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,947.82 : 75,823.93 = 30,745.57 : x
  2. Step 2: Convert to fraction form
    54,947.82/75,823.93 = 30,745.57/x
  3. Step 3: Cross multiply
    54,947.82x = 75,823.93 × 30,745.57
  4. Step 4: Simplify right side
    54,947.82x = 2,331,249,947.49
  5. Step 5: Solve for x
    x = 2,331,249,947.49/54,947.82
  6. Step 6: Final answer
    x = 42,426.61

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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.