Home / 34,269.40-51,452.70-21,147.40

Finding the Fourth Proportional to 34,269.40, 51,452.70 and 21,147.40

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Solution

The fourth proportional to 34,269.40, 51,452.70 and 21,147.40 is: 31,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,269.40 : 51,452.70 = 21,147.40 : x
  2. Step 2: Convert to fraction form
    34,269.40/51,452.70 = 21,147.40/x
  3. Step 3: Cross multiply
    34,269.40x = 51,452.70 × 21,147.40
  4. Step 4: Simplify right side
    34,269.40x = 1,088,090,827.98
  5. Step 5: Solve for x
    x = 1,088,090,827.98/34,269.40
  6. Step 6: Final answer
    x = 31,751.09

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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.