Home / 39,314.36-54,254.79-21,410.34

Finding the Fourth Proportional to 39,314.36, 54,254.79 and 21,410.34

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Solution

The fourth proportional to 39,314.36, 54,254.79 and 21,410.34 is: 29,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,314.36 : 54,254.79 = 21,410.34 : x
  2. Step 2: Convert to fraction form
    39,314.36/54,254.79 = 21,410.34/x
  3. Step 3: Cross multiply
    39,314.36x = 54,254.79 × 21,410.34
  4. Step 4: Simplify right side
    39,314.36x = 1,161,613,500.53
  5. Step 5: Solve for x
    x = 1,161,613,500.53/39,314.36
  6. Step 6: Final answer
    x = 29,546.80

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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.