Home / 38,335.28-57,484.70-13,372.30

Finding the Fourth Proportional to 38,335.28, 57,484.70 and 13,372.30

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Solution

The fourth proportional to 38,335.28, 57,484.70 and 13,372.30 is: 20,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.28 : 57,484.70 = 13,372.30 : x
  2. Step 2: Convert to fraction form
    38,335.28/57,484.70 = 13,372.30/x
  3. Step 3: Cross multiply
    38,335.28x = 57,484.70 × 13,372.30
  4. Step 4: Simplify right side
    38,335.28x = 768,702,653.81
  5. Step 5: Solve for x
    x = 768,702,653.81/38,335.28
  6. Step 6: Final answer
    x = 20,052.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.