Home / 30,693.96-46,031.85-13,159.62

Finding the Fourth Proportional to 30,693.96, 46,031.85 and 13,159.62

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Solution

The fourth proportional to 30,693.96, 46,031.85 and 13,159.62 is: 19,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,693.96 : 46,031.85 = 13,159.62 : x
  2. Step 2: Convert to fraction form
    30,693.96/46,031.85 = 13,159.62/x
  3. Step 3: Cross multiply
    30,693.96x = 46,031.85 × 13,159.62
  4. Step 4: Simplify right side
    30,693.96x = 605,761,653.90
  5. Step 5: Solve for x
    x = 605,761,653.90/30,693.96
  6. Step 6: Final answer
    x = 19,735.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.