Home / 36,258.31-54,368.11-12,559.77

Finding the Fourth Proportional to 36,258.31, 54,368.11 and 12,559.77

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Solution

The fourth proportional to 36,258.31, 54,368.11 and 12,559.77 is: 18,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,258.31 : 54,368.11 = 12,559.77 : x
  2. Step 2: Convert to fraction form
    36,258.31/54,368.11 = 12,559.77/x
  3. Step 3: Cross multiply
    36,258.31x = 54,368.11 × 12,559.77
  4. Step 4: Simplify right side
    36,258.31x = 682,850,972.63
  5. Step 5: Solve for x
    x = 682,850,972.63/36,258.31
  6. Step 6: Final answer
    x = 18,832.95

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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.