Home / 35,984.25-53,976.72-13,792.35

Finding the Fourth Proportional to 35,984.25, 53,976.72 and 13,792.35

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Solution

The fourth proportional to 35,984.25, 53,976.72 and 13,792.35 is: 20,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,984.25 : 53,976.72 = 13,792.35 : x
  2. Step 2: Convert to fraction form
    35,984.25/53,976.72 = 13,792.35/x
  3. Step 3: Cross multiply
    35,984.25x = 53,976.72 × 13,792.35
  4. Step 4: Simplify right side
    35,984.25x = 744,465,814.09
  5. Step 5: Solve for x
    x = 744,465,814.09/35,984.25
  6. Step 6: Final answer
    x = 20,688.66

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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.