Home / 39,026.45-53,879.70-25,621.16

Finding the Fourth Proportional to 39,026.45, 53,879.70 and 25,621.16

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Solution

The fourth proportional to 39,026.45, 53,879.70 and 25,621.16 is: 35,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026.45 : 53,879.70 = 25,621.16 : x
  2. Step 2: Convert to fraction form
    39,026.45/53,879.70 = 25,621.16/x
  3. Step 3: Cross multiply
    39,026.45x = 53,879.70 × 25,621.16
  4. Step 4: Simplify right side
    39,026.45x = 1,380,460,145.05
  5. Step 5: Solve for x
    x = 1,380,460,145.05/39,026.45
  6. Step 6: Final answer
    x = 35,372.43

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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.