Home / 35,916.90-53,872.11-12,541.92

Finding the Fourth Proportional to 35,916.90, 53,872.11 and 12,541.92

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Solution

The fourth proportional to 35,916.90, 53,872.11 and 12,541.92 is: 18,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,916.90 : 53,872.11 = 12,541.92 : x
  2. Step 2: Convert to fraction form
    35,916.90/53,872.11 = 12,541.92/x
  3. Step 3: Cross multiply
    35,916.90x = 53,872.11 × 12,541.92
  4. Step 4: Simplify right side
    35,916.90x = 675,659,693.85
  5. Step 5: Solve for x
    x = 675,659,693.85/35,916.90
  6. Step 6: Final answer
    x = 18,811.75

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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.