Home / 39,873.02-55,027.25-21,968.02

Finding the Fourth Proportional to 39,873.02, 55,027.25 and 21,968.02

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Solution

The fourth proportional to 39,873.02, 55,027.25 and 21,968.02 is: 30,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873.02 : 55,027.25 = 21,968.02 : x
  2. Step 2: Convert to fraction form
    39,873.02/55,027.25 = 21,968.02/x
  3. Step 3: Cross multiply
    39,873.02x = 55,027.25 × 21,968.02
  4. Step 4: Simplify right side
    39,873.02x = 1,208,839,728.55
  5. Step 5: Solve for x
    x = 1,208,839,728.55/39,873.02
  6. Step 6: Final answer
    x = 30,317.24

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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.