Home / 39,968.02-55,156.25-22,062.64

Finding the Fourth Proportional to 39,968.02, 55,156.25 and 22,062.64

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Solution

The fourth proportional to 39,968.02, 55,156.25 and 22,062.64 is: 30,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.02 : 55,156.25 = 22,062.64 : x
  2. Step 2: Convert to fraction form
    39,968.02/55,156.25 = 22,062.64/x
  3. Step 3: Cross multiply
    39,968.02x = 55,156.25 × 22,062.64
  4. Step 4: Simplify right side
    39,968.02x = 1,216,892,101.41
  5. Step 5: Solve for x
    x = 1,216,892,101.41/39,968.02
  6. Step 6: Final answer
    x = 30,446.65

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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.