Home / 35,982.25-53,973.72-13,790.35

Finding the Fourth Proportional to 35,982.25, 53,973.72 and 13,790.35

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Solution

The fourth proportional to 35,982.25, 53,973.72 and 13,790.35 is: 20,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.25 : 53,973.72 = 13,790.35 : x
  2. Step 2: Convert to fraction form
    35,982.25/53,973.72 = 13,790.35/x
  3. Step 3: Cross multiply
    35,982.25x = 53,973.72 × 13,790.35
  4. Step 4: Simplify right side
    35,982.25x = 744,316,489.60
  5. Step 5: Solve for x
    x = 744,316,489.60/35,982.25
  6. Step 6: Final answer
    x = 20,685.66

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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.