Home / 30,809,907.71-42,519,001.16-17,058,873.05

Finding the Fourth Proportional to 30,809,907.71, 42,519,001.16 and 17,058,873.05

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Solution

The fourth proportional to 30,809,907.71, 42,519,001.16 and 17,058,873.05 is: 23,541,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,907.71 : 42,519,001.16 = 17,058,873.05 : x
  2. Step 2: Convert to fraction form
    30,809,907.71/42,519,001.16 = 17,058,873.05/x
  3. Step 3: Cross multiply
    30,809,907.71x = 42,519,001.16 × 17,058,873.05
  4. Step 4: Simplify right side
    30,809,907.71x = 725,326,242,831,295
  5. Step 5: Solve for x
    x = 725,326,242,831,295/30,809,907.71
  6. Step 6: Final answer
    x = 23,541,980.38

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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.