Home / 30,959,579.43-42,724,246.95-17,021,171.66

Finding the Fourth Proportional to 30,959,579.43, 42,724,246.95 and 17,021,171.66

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Solution

The fourth proportional to 30,959,579.43, 42,724,246.95 and 17,021,171.66 is: 23,489,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959,579.43 : 42,724,246.95 = 17,021,171.66 : x
  2. Step 2: Convert to fraction form
    30,959,579.43/42,724,246.95 = 17,021,171.66/x
  3. Step 3: Cross multiply
    30,959,579.43x = 42,724,246.95 × 17,021,171.66
  4. Step 4: Simplify right side
    30,959,579.43x = 727,216,741,166,560.25
  5. Step 5: Solve for x
    x = 727,216,741,166,560.25/30,959,579.43
  6. Step 6: Final answer
    x = 23,489,231.91

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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.