Home / 48,621.87-67,103.57-28,208.45

Finding the Fourth Proportional to 48,621.87, 67,103.57 and 28,208.45

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Solution

The fourth proportional to 48,621.87, 67,103.57 and 28,208.45 is: 38,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,621.87 : 67,103.57 = 28,208.45 : x
  2. Step 2: Convert to fraction form
    48,621.87/67,103.57 = 28,208.45/x
  3. Step 3: Cross multiply
    48,621.87x = 67,103.57 × 28,208.45
  4. Step 4: Simplify right side
    48,621.87x = 1,892,887,937.45
  5. Step 5: Solve for x
    x = 1,892,887,937.45/48,621.87
  6. Step 6: Final answer
    x = 38,930.79

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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.