Home / 29,018.03-43,532.51-20,677.36

Finding the Fourth Proportional to 29,018.03, 43,532.51 and 20,677.36

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Solution

The fourth proportional to 29,018.03, 43,532.51 and 20,677.36 is: 31,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,018.03 : 43,532.51 = 20,677.36 : x
  2. Step 2: Convert to fraction form
    29,018.03/43,532.51 = 20,677.36/x
  3. Step 3: Cross multiply
    29,018.03x = 43,532.51 × 20,677.36
  4. Step 4: Simplify right side
    29,018.03x = 900,137,323.84
  5. Step 5: Solve for x
    x = 900,137,323.84/29,018.03
  6. Step 6: Final answer
    x = 31,019.93

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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.