Home / 34,827.09-52,240.65-12,640.42

Finding the Fourth Proportional to 34,827.09, 52,240.65 and 12,640.42

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Solution

The fourth proportional to 34,827.09, 52,240.65 and 12,640.42 is: 18,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,827.09 : 52,240.65 = 12,640.42 : x
  2. Step 2: Convert to fraction form
    34,827.09/52,240.65 = 12,640.42/x
  3. Step 3: Cross multiply
    34,827.09x = 52,240.65 × 12,640.42
  4. Step 4: Simplify right side
    34,827.09x = 660,343,757.07
  5. Step 5: Solve for x
    x = 660,343,757.07/34,827.09
  6. Step 6: Final answer
    x = 18,960.64

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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.