Home / 39,941.43-55,119.35-22,036.96

Finding the Fourth Proportional to 39,941.43, 55,119.35 and 22,036.96

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Solution

The fourth proportional to 39,941.43, 55,119.35 and 22,036.96 is: 30,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.43 : 55,119.35 = 22,036.96 : x
  2. Step 2: Convert to fraction form
    39,941.43/55,119.35 = 22,036.96/x
  3. Step 3: Cross multiply
    39,941.43x = 55,119.35 × 22,036.96
  4. Step 4: Simplify right side
    39,941.43x = 1,214,662,525.39
  5. Step 5: Solve for x
    x = 1,214,662,525.39/39,941.43
  6. Step 6: Final answer
    x = 30,411.10

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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.