Home / 57,351.60-86,030.64-19,895.58

Finding the Fourth Proportional to 57,351.60, 86,030.64 and 19,895.58

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Solution

The fourth proportional to 57,351.60, 86,030.64 and 19,895.58 is: 29,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,351.60 : 86,030.64 = 19,895.58 : x
  2. Step 2: Convert to fraction form
    57,351.60/86,030.64 = 19,895.58/x
  3. Step 3: Cross multiply
    57,351.60x = 86,030.64 × 19,895.58
  4. Step 4: Simplify right side
    57,351.60x = 1,711,629,480.57
  5. Step 5: Solve for x
    x = 1,711,629,480.57/57,351.60
  6. Step 6: Final answer
    x = 29,844.49

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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.