Home / 39,293.64-54,224.91-21,388.59

Finding the Fourth Proportional to 39,293.64, 54,224.91 and 21,388.59

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Solution

The fourth proportional to 39,293.64, 54,224.91 and 21,388.59 is: 29,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,293.64 : 54,224.91 = 21,388.59 : x
  2. Step 2: Convert to fraction form
    39,293.64/54,224.91 = 21,388.59/x
  3. Step 3: Cross multiply
    39,293.64x = 54,224.91 × 21,388.59
  4. Step 4: Simplify right side
    39,293.64x = 1,159,794,367.78
  5. Step 5: Solve for x
    x = 1,159,794,367.78/39,293.64
  6. Step 6: Final answer
    x = 29,516.08

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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.