Home / 39,734.64-59,612.04-18,670.56

Finding the Fourth Proportional to 39,734.64, 59,612.04 and 18,670.56

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Solution

The fourth proportional to 39,734.64, 59,612.04 and 18,670.56 is: 28,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,734.64 : 59,612.04 = 18,670.56 : x
  2. Step 2: Convert to fraction form
    39,734.64/59,612.04 = 18,670.56/x
  3. Step 3: Cross multiply
    39,734.64x = 59,612.04 × 18,670.56
  4. Step 4: Simplify right side
    39,734.64x = 1,112,990,169.54
  5. Step 5: Solve for x
    x = 1,112,990,169.54/39,734.64
  6. Step 6: Final answer
    x = 28,010.58

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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.