Home / 39,024.28-53,853.51-21,119.41

Finding the Fourth Proportional to 39,024.28, 53,853.51 and 21,119.41

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Solution

The fourth proportional to 39,024.28, 53,853.51 and 21,119.41 is: 29,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,024.28 : 53,853.51 = 21,119.41 : x
  2. Step 2: Convert to fraction form
    39,024.28/53,853.51 = 21,119.41/x
  3. Step 3: Cross multiply
    39,024.28x = 53,853.51 × 21,119.41
  4. Step 4: Simplify right side
    39,024.28x = 1,137,354,574.68
  5. Step 5: Solve for x
    x = 1,137,354,574.68/39,024.28
  6. Step 6: Final answer
    x = 29,144.79

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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.