Home / 49,478.91-68,281.65-28,258.22

Finding the Fourth Proportional to 49,478.91, 68,281.65 and 28,258.22

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Solution

The fourth proportional to 49,478.91, 68,281.65 and 28,258.22 is: 38,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,478.91 : 68,281.65 = 28,258.22 : x
  2. Step 2: Convert to fraction form
    49,478.91/68,281.65 = 28,258.22/x
  3. Step 3: Cross multiply
    49,478.91x = 68,281.65 × 28,258.22
  4. Step 4: Simplify right side
    49,478.91x = 1,929,517,546.25
  5. Step 5: Solve for x
    x = 1,929,517,546.25/49,478.91
  6. Step 6: Final answer
    x = 38,996.77

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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.