Home / 49,651.40-74,477.10-49,305.80

Finding the Fourth Proportional to 49,651.40, 74,477.10 and 49,305.80

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Solution

The fourth proportional to 49,651.40, 74,477.10 and 49,305.80 is: 73,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,651.40 : 74,477.10 = 49,305.80 : x
  2. Step 2: Convert to fraction form
    49,651.40/74,477.10 = 49,305.80/x
  3. Step 3: Cross multiply
    49,651.40x = 74,477.10 × 49,305.80
  4. Step 4: Simplify right side
    49,651.40x = 3,672,152,997.18
  5. Step 5: Solve for x
    x = 3,672,152,997.18/49,651.40
  6. Step 6: Final answer
    x = 73,958.70

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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.