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Finding the Fourth Proportional to 35,684.82, 53,530 and 10,722.92

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Solution

The fourth proportional to 35,684.82, 53,530 and 10,722.92 is: 16,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684.82 : 53,530 = 10,722.92 : x
  2. Step 2: Convert to fraction form
    35,684.82/53,530 = 10,722.92/x
  3. Step 3: Cross multiply
    35,684.82x = 53,530 × 10,722.92
  4. Step 4: Simplify right side
    35,684.82x = 573,997,907.60
  5. Step 5: Solve for x
    x = 573,997,907.60/35,684.82
  6. Step 6: Final answer
    x = 16,085.21

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1.5x scale

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.