Home / 50,050.72-75,098.08-18,878.68

Finding the Fourth Proportional to 50,050.72, 75,098.08 and 18,878.68

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Solution

The fourth proportional to 50,050.72, 75,098.08 and 18,878.68 is: 28,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,050.72 : 75,098.08 = 18,878.68 : x
  2. Step 2: Convert to fraction form
    50,050.72/75,098.08 = 18,878.68/x
  3. Step 3: Cross multiply
    50,050.72x = 75,098.08 × 18,878.68
  4. Step 4: Simplify right side
    50,050.72x = 1,417,752,620.93
  5. Step 5: Solve for x
    x = 1,417,752,620.93/50,050.72
  6. Step 6: Final answer
    x = 28,326.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.