Home / 46,121.12-69,137.56-18,031.84

Finding the Fourth Proportional to 46,121.12, 69,137.56 and 18,031.84

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Solution

The fourth proportional to 46,121.12, 69,137.56 and 18,031.84 is: 27,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,121.12 : 69,137.56 = 18,031.84 : x
  2. Step 2: Convert to fraction form
    46,121.12/69,137.56 = 18,031.84/x
  3. Step 3: Cross multiply
    46,121.12x = 69,137.56 × 18,031.84
  4. Step 4: Simplify right side
    46,121.12x = 1,246,677,489.41
  5. Step 5: Solve for x
    x = 1,246,677,489.41/46,121.12
  6. Step 6: Final answer
    x = 27,030.51

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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.