Home / 48,928.61-67,520.34-28,786.79

Finding the Fourth Proportional to 48,928.61, 67,520.34 and 28,786.79

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Solution

The fourth proportional to 48,928.61, 67,520.34 and 28,786.79 is: 39,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,928.61 : 67,520.34 = 28,786.79 : x
  2. Step 2: Convert to fraction form
    48,928.61/67,520.34 = 28,786.79/x
  3. Step 3: Cross multiply
    48,928.61x = 67,520.34 × 28,786.79
  4. Step 4: Simplify right side
    48,928.61x = 1,943,694,017.11
  5. Step 5: Solve for x
    x = 1,943,694,017.11/48,928.61
  6. Step 6: Final answer
    x = 39,725.10

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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.