Home / 30,959,569.03-42,724,232.58-17,021,161.28

Finding the Fourth Proportional to 30,959,569.03, 42,724,232.58 and 17,021,161.28

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Solution

The fourth proportional to 30,959,569.03, 42,724,232.58 and 17,021,161.28 is: 23,489,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959,569.03 : 42,724,232.58 = 17,021,161.28 : x
  2. Step 2: Convert to fraction form
    30,959,569.03/42,724,232.58 = 17,021,161.28/x
  3. Step 3: Cross multiply
    30,959,569.03x = 42,724,232.58 × 17,021,161.28
  4. Step 4: Simplify right side
    30,959,569.03x = 727,216,053,292,873.12
  5. Step 5: Solve for x
    x = 727,216,053,292,873.12/30,959,569.03
  6. Step 6: Final answer
    x = 23,489,217.59

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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.