Home / 30,959,580.43-42,724,248.33-17,021,172.66

Finding the Fourth Proportional to 30,959,580.43, 42,724,248.33 and 17,021,172.66

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Solution

The fourth proportional to 30,959,580.43, 42,724,248.33 and 17,021,172.66 is: 23,489,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959,580.43 : 42,724,248.33 = 17,021,172.66 : x
  2. Step 2: Convert to fraction form
    30,959,580.43/42,724,248.33 = 17,021,172.66/x
  3. Step 3: Cross multiply
    30,959,580.43x = 42,724,248.33 × 17,021,172.66
  4. Step 4: Simplify right side
    30,959,580.43x = 727,216,807,593,646.62
  5. Step 5: Solve for x
    x = 727,216,807,593,646.62/30,959,580.43
  6. Step 6: Final answer
    x = 23,489,233.30

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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.