Home / 53,431.20-73,702.94-35,282.09

Finding the Fourth Proportional to 53,431.20, 73,702.94 and 35,282.09

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Solution

The fourth proportional to 53,431.20, 73,702.94 and 35,282.09 is: 48,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.20 : 73,702.94 = 35,282.09 : x
  2. Step 2: Convert to fraction form
    53,431.20/73,702.94 = 35,282.09/x
  3. Step 3: Cross multiply
    53,431.20x = 73,702.94 × 35,282.09
  4. Step 4: Simplify right side
    53,431.20x = 2,600,393,762.34
  5. Step 5: Solve for x
    x = 2,600,393,762.34/53,431.20
  6. Step 6: Final answer
    x = 48,668.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.