Home / 54,813.93-75,641.63-30,942.83

Finding the Fourth Proportional to 54,813.93, 75,641.63 and 30,942.83

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Solution

The fourth proportional to 54,813.93, 75,641.63 and 30,942.83 is: 42,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,813.93 : 75,641.63 = 30,942.83 : x
  2. Step 2: Convert to fraction form
    54,813.93/75,641.63 = 30,942.83/x
  3. Step 3: Cross multiply
    54,813.93x = 75,641.63 × 30,942.83
  4. Step 4: Simplify right side
    54,813.93x = 2,340,565,565.09
  5. Step 5: Solve for x
    x = 2,340,565,565.09/54,813.93
  6. Step 6: Final answer
    x = 42,700.20

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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.