Home / 39,379,039.13-54,343,083.84-21,737,951.93

Finding the Fourth Proportional to 39,379,039.13, 54,343,083.84 and 21,737,951.93

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Solution

The fourth proportional to 39,379,039.13, 54,343,083.84 and 21,737,951.93 is: 29,998,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379,039.13 : 54,343,083.84 = 21,737,951.93 : x
  2. Step 2: Convert to fraction form
    39,379,039.13/54,343,083.84 = 21,737,951.93/x
  3. Step 3: Cross multiply
    39,379,039.13x = 54,343,083.84 × 21,737,951.93
  4. Step 4: Simplify right side
    39,379,039.13x = 1,181,307,344,173,900
  5. Step 5: Solve for x
    x = 1,181,307,344,173,900/39,379,039.13
  6. Step 6: Final answer
    x = 29,998,379.10

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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.