Home / 35,912.67-53,878.73-12,540.93

Finding the Fourth Proportional to 35,912.67, 53,878.73 and 12,540.93

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Solution

The fourth proportional to 35,912.67, 53,878.73 and 12,540.93 is: 18,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.67 : 53,878.73 = 12,540.93 : x
  2. Step 2: Convert to fraction form
    35,912.67/53,878.73 = 12,540.93/x
  3. Step 3: Cross multiply
    35,912.67x = 53,878.73 × 12,540.93
  4. Step 4: Simplify right side
    35,912.67x = 675,689,381.42
  5. Step 5: Solve for x
    x = 675,689,381.42/35,912.67
  6. Step 6: Final answer
    x = 18,814.79

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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.