Home / 39,351.14-54,302.99-21,445.76

Finding the Fourth Proportional to 39,351.14, 54,302.99 and 21,445.76

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Solution

The fourth proportional to 39,351.14, 54,302.99 and 21,445.76 is: 29,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.14 : 54,302.99 = 21,445.76 : x
  2. Step 2: Convert to fraction form
    39,351.14/54,302.99 = 21,445.76/x
  3. Step 3: Cross multiply
    39,351.14x = 54,302.99 × 21,445.76
  4. Step 4: Simplify right side
    39,351.14x = 1,164,568,512.08
  5. Step 5: Solve for x
    x = 1,164,568,512.08/39,351.14
  6. Step 6: Final answer
    x = 29,594.28

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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.