Home / 39,892.36-55,047-22,892.08

Finding the Fourth Proportional to 39,892.36, 55,047 and 22,892.08

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Solution

The fourth proportional to 39,892.36, 55,047 and 22,892.08 is: 31,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,892.36 : 55,047 = 22,892.08 : x
  2. Step 2: Convert to fraction form
    39,892.36/55,047 = 22,892.08/x
  3. Step 3: Cross multiply
    39,892.36x = 55,047 × 22,892.08
  4. Step 4: Simplify right side
    39,892.36x = 1,260,140,327.76
  5. Step 5: Solve for x
    x = 1,260,140,327.76/39,892.36
  6. Step 6: Final answer
    x = 31,588.51

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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.