Home / 39,379,041.36-54,343,086.92-21,737,954.16

Finding the Fourth Proportional to 39,379,041.36, 54,343,086.92 and 21,737,954.16

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Solution

The fourth proportional to 39,379,041.36, 54,343,086.92 and 21,737,954.16 is: 29,998,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379,041.36 : 54,343,086.92 = 21,737,954.16 : x
  2. Step 2: Convert to fraction form
    39,379,041.36/54,343,086.92 = 21,737,954.16/x
  3. Step 3: Cross multiply
    39,379,041.36x = 54,343,086.92 × 21,737,954.16
  4. Step 4: Simplify right side
    39,379,041.36x = 1,181,307,532,379,855.75
  5. Step 5: Solve for x
    x = 1,181,307,532,379,855.75/39,379,041.36
  6. Step 6: Final answer
    x = 29,998,382.17

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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.