Home / 48,951.54-67,554.34-28,809.47

Finding the Fourth Proportional to 48,951.54, 67,554.34 and 28,809.47

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Solution

The fourth proportional to 48,951.54, 67,554.34 and 28,809.47 is: 39,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,951.54 : 67,554.34 = 28,809.47 : x
  2. Step 2: Convert to fraction form
    48,951.54/67,554.34 = 28,809.47/x
  3. Step 3: Cross multiply
    48,951.54x = 67,554.34 × 28,809.47
  4. Step 4: Simplify right side
    48,951.54x = 1,946,204,828.46
  5. Step 5: Solve for x
    x = 1,946,204,828.46/48,951.54
  6. Step 6: Final answer
    x = 39,757.79

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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.