Home / 50,258.69-75,388.61-12,818.69

Finding the Fourth Proportional to 50,258.69, 75,388.61 and 12,818.69

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Solution

The fourth proportional to 50,258.69, 75,388.61 and 12,818.69 is: 19,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,258.69 : 75,388.61 = 12,818.69 : x
  2. Step 2: Convert to fraction form
    50,258.69/75,388.61 = 12,818.69/x
  3. Step 3: Cross multiply
    50,258.69x = 75,388.61 × 12,818.69
  4. Step 4: Simplify right side
    50,258.69x = 966,382,876.22
  5. Step 5: Solve for x
    x = 966,382,876.22/50,258.69
  6. Step 6: Final answer
    x = 19,228.18

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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.