Home / 39,121.82-53,989.04-23,803.10

Finding the Fourth Proportional to 39,121.82, 53,989.04 and 23,803.10

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Solution

The fourth proportional to 39,121.82, 53,989.04 and 23,803.10 is: 32,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.82 : 53,989.04 = 23,803.10 : x
  2. Step 2: Convert to fraction form
    39,121.82/53,989.04 = 23,803.10/x
  3. Step 3: Cross multiply
    39,121.82x = 53,989.04 × 23,803.10
  4. Step 4: Simplify right side
    39,121.82x = 1,285,106,129.06
  5. Step 5: Solve for x
    x = 1,285,106,129.06/39,121.82
  6. Step 6: Final answer
    x = 32,848.84

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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.