Home / 49,288.40-73,932.60-40,977.80

Finding the Fourth Proportional to 49,288.40, 73,932.60 and 40,977.80

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Solution

The fourth proportional to 49,288.40, 73,932.60 and 40,977.80 is: 61,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,288.40 : 73,932.60 = 40,977.80 : x
  2. Step 2: Convert to fraction form
    49,288.40/73,932.60 = 40,977.80/x
  3. Step 3: Cross multiply
    49,288.40x = 73,932.60 × 40,977.80
  4. Step 4: Simplify right side
    49,288.40x = 3,029,595,296.28
  5. Step 5: Solve for x
    x = 3,029,595,296.28/49,288.40
  6. Step 6: Final answer
    x = 61,466.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.