Home / 35,920.56-53,881.72-12,228.06

Finding the Fourth Proportional to 35,920.56, 53,881.72 and 12,228.06

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Solution

The fourth proportional to 35,920.56, 53,881.72 and 12,228.06 is: 18,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.56 : 53,881.72 = 12,228.06 : x
  2. Step 2: Convert to fraction form
    35,920.56/53,881.72 = 12,228.06/x
  3. Step 3: Cross multiply
    35,920.56x = 53,881.72 × 12,228.06
  4. Step 4: Simplify right side
    35,920.56x = 658,868,905.06
  5. Step 5: Solve for x
    x = 658,868,905.06/35,920.56
  6. Step 6: Final answer
    x = 18,342.39

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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.