Home / 75,429.39-113,144.08-19,269.62

Finding the Fourth Proportional to 75,429.39, 113,144.08 and 19,269.62

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Solution

The fourth proportional to 75,429.39, 113,144.08 and 19,269.62 is: 28,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.39 : 113,144.08 = 19,269.62 : x
  2. Step 2: Convert to fraction form
    75,429.39/113,144.08 = 19,269.62/x
  3. Step 3: Cross multiply
    75,429.39x = 113,144.08 × 19,269.62
  4. Step 4: Simplify right side
    75,429.39x = 2,180,243,426.85
  5. Step 5: Solve for x
    x = 2,180,243,426.85/75,429.39
  6. Step 6: Final answer
    x = 28,904.43

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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.