Home / 31,141,388.96-42,975,477.43-17,202,455.31

Finding the Fourth Proportional to 31,141,388.96, 42,975,477.43 and 17,202,455.31

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Solution

The fourth proportional to 31,141,388.96, 42,975,477.43 and 17,202,455.31 is: 23,739,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,141,388.96 : 42,975,477.43 = 17,202,455.31 : x
  2. Step 2: Convert to fraction form
    31,141,388.96/42,975,477.43 = 17,202,455.31/x
  3. Step 3: Cross multiply
    31,141,388.96x = 42,975,477.43 × 17,202,455.31
  4. Step 4: Simplify right side
    31,141,388.96x = 739,283,729,790,112.38
  5. Step 5: Solve for x
    x = 739,283,729,790,112.38/31,141,388.96
  6. Step 6: Final answer
    x = 23,739,587.55

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1.5x scale

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.