Home / 48,671.58-67,189.32-28,525.80

Finding the Fourth Proportional to 48,671.58, 67,189.32 and 28,525.80

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Solution

The fourth proportional to 48,671.58, 67,189.32 and 28,525.80 is: 39,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,671.58 : 67,189.32 = 28,525.80 : x
  2. Step 2: Convert to fraction form
    48,671.58/67,189.32 = 28,525.80/x
  3. Step 3: Cross multiply
    48,671.58x = 67,189.32 × 28,525.80
  4. Step 4: Simplify right side
    48,671.58x = 1,916,629,104.46
  5. Step 5: Solve for x
    x = 1,916,629,104.46/48,671.58
  6. Step 6: Final answer
    x = 39,378.81

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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.