Home / 48,739.04-72,942.23-40,850.47

Finding the Fourth Proportional to 48,739.04, 72,942.23 and 40,850.47

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Solution

The fourth proportional to 48,739.04, 72,942.23 and 40,850.47 is: 61,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,739.04 : 72,942.23 = 40,850.47 : x
  2. Step 2: Convert to fraction form
    48,739.04/72,942.23 = 40,850.47/x
  3. Step 3: Cross multiply
    48,739.04x = 72,942.23 × 40,850.47
  4. Step 4: Simplify right side
    48,739.04x = 2,979,723,809.38
  5. Step 5: Solve for x
    x = 2,979,723,809.38/48,739.04
  6. Step 6: Final answer
    x = 61,136.28

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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.