Home / 30,813,379.74-42,521,943.24-17,062,048.62

Finding the Fourth Proportional to 30,813,379.74, 42,521,943.24 and 17,062,048.62

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Solution

The fourth proportional to 30,813,379.74, 42,521,943.24 and 17,062,048.62 is: 23,545,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,379.74 : 42,521,943.24 = 17,062,048.62 : x
  2. Step 2: Convert to fraction form
    30,813,379.74/42,521,943.24 = 17,062,048.62/x
  3. Step 3: Cross multiply
    30,813,379.74x = 42,521,943.24 × 17,062,048.62
  4. Step 4: Simplify right side
    30,813,379.74x = 725,511,462,977,760.38
  5. Step 5: Solve for x
    x = 725,511,462,977,760.38/30,813,379.74
  6. Step 6: Final answer
    x = 23,545,338.72

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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.