Home / 38,579.21-53,257.51-29,022.74

Finding the Fourth Proportional to 38,579.21, 53,257.51 and 29,022.74

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Solution

The fourth proportional to 38,579.21, 53,257.51 and 29,022.74 is: 40,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.21 : 53,257.51 = 29,022.74 : x
  2. Step 2: Convert to fraction form
    38,579.21/53,257.51 = 29,022.74/x
  3. Step 3: Cross multiply
    38,579.21x = 53,257.51 × 29,022.74
  4. Step 4: Simplify right side
    38,579.21x = 1,545,678,865.78
  5. Step 5: Solve for x
    x = 1,545,678,865.78/38,579.21
  6. Step 6: Final answer
    x = 40,065.07

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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.