Home / 29,988.36-44,974.70-8,922.72

Finding the Fourth Proportional to 29,988.36, 44,974.70 and 8,922.72

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Solution

The fourth proportional to 29,988.36, 44,974.70 and 8,922.72 is: 13,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.36 : 44,974.70 = 8,922.72 : x
  2. Step 2: Convert to fraction form
    29,988.36/44,974.70 = 8,922.72/x
  3. Step 3: Cross multiply
    29,988.36x = 44,974.70 × 8,922.72
  4. Step 4: Simplify right side
    29,988.36x = 401,296,655.18
  5. Step 5: Solve for x
    x = 401,296,655.18/29,988.36
  6. Step 6: Final answer
    x = 13,381.75

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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.