Home / 20,701.02-31,042.47-5,906.64

Finding the Fourth Proportional to 20,701.02, 31,042.47 and 5,906.64

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Solution

The fourth proportional to 20,701.02, 31,042.47 and 5,906.64 is: 8,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.02 : 31,042.47 = 5,906.64 : x
  2. Step 2: Convert to fraction form
    20,701.02/31,042.47 = 5,906.64/x
  3. Step 3: Cross multiply
    20,701.02x = 31,042.47 × 5,906.64
  4. Step 4: Simplify right side
    20,701.02x = 183,356,695.00
  5. Step 5: Solve for x
    x = 183,356,695.00/20,701.02
  6. Step 6: Final answer
    x = 8,857.37

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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.