Home / 35,932.90-49,583.60-20,830.30

Finding the Fourth Proportional to 35,932.90, 49,583.60 and 20,830.30

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Solution

The fourth proportional to 35,932.90, 49,583.60 and 20,830.30 is: 28,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,932.90 : 49,583.60 = 20,830.30 : x
  2. Step 2: Convert to fraction form
    35,932.90/49,583.60 = 20,830.30/x
  3. Step 3: Cross multiply
    35,932.90x = 49,583.60 × 20,830.30
  4. Step 4: Simplify right side
    35,932.90x = 1,032,841,263.08
  5. Step 5: Solve for x
    x = 1,032,841,263.08/35,932.90
  6. Step 6: Final answer
    x = 28,743.61

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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.