Home / 34,677.76-52,018.12-13,622.36

Finding the Fourth Proportional to 34,677.76, 52,018.12 and 13,622.36

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Solution

The fourth proportional to 34,677.76, 52,018.12 and 13,622.36 is: 20,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,677.76 : 52,018.12 = 13,622.36 : x
  2. Step 2: Convert to fraction form
    34,677.76/52,018.12 = 13,622.36/x
  3. Step 3: Cross multiply
    34,677.76x = 52,018.12 × 13,622.36
  4. Step 4: Simplify right side
    34,677.76x = 708,609,557.16
  5. Step 5: Solve for x
    x = 708,609,557.16/34,677.76
  6. Step 6: Final answer
    x = 20,434.12

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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.