Home / 49,145.40-73,807.20-43,021.80

Finding the Fourth Proportional to 49,145.40, 73,807.20 and 43,021.80

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Solution

The fourth proportional to 49,145.40, 73,807.20 and 43,021.80 is: 64,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,145.40 : 73,807.20 = 43,021.80 : x
  2. Step 2: Convert to fraction form
    49,145.40/73,807.20 = 43,021.80/x
  3. Step 3: Cross multiply
    49,145.40x = 73,807.20 × 43,021.80
  4. Step 4: Simplify right side
    49,145.40x = 3,175,318,596.96
  5. Step 5: Solve for x
    x = 3,175,318,596.96/49,145.40
  6. Step 6: Final answer
    x = 64,610.70

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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.