Home / 39,355.36-54,309.12-22,360.96

Finding the Fourth Proportional to 39,355.36, 54,309.12 and 22,360.96

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Solution

The fourth proportional to 39,355.36, 54,309.12 and 22,360.96 is: 30,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355.36 : 54,309.12 = 22,360.96 : x
  2. Step 2: Convert to fraction form
    39,355.36/54,309.12 = 22,360.96/x
  3. Step 3: Cross multiply
    39,355.36x = 54,309.12 × 22,360.96
  4. Step 4: Simplify right side
    39,355.36x = 1,214,404,059.96
  5. Step 5: Solve for x
    x = 1,214,404,059.96/39,355.36
  6. Step 6: Final answer
    x = 30,857.40

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1.5x scale

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.