Home / 35,427.44-53,148.54-18,782.95

Finding the Fourth Proportional to 35,427.44, 53,148.54 and 18,782.95

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Solution

The fourth proportional to 35,427.44, 53,148.54 and 18,782.95 is: 28,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,427.44 : 53,148.54 = 18,782.95 : x
  2. Step 2: Convert to fraction form
    35,427.44/53,148.54 = 18,782.95/x
  3. Step 3: Cross multiply
    35,427.44x = 53,148.54 × 18,782.95
  4. Step 4: Simplify right side
    35,427.44x = 998,286,369.39
  5. Step 5: Solve for x
    x = 998,286,369.39/35,427.44
  6. Step 6: Final answer
    x = 28,178.34

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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.