Home / 38,983.74-58,452.27-18,953.83

Finding the Fourth Proportional to 38,983.74, 58,452.27 and 18,953.83

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Solution

The fourth proportional to 38,983.74, 58,452.27 and 18,953.83 is: 28,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983.74 : 58,452.27 = 18,953.83 : x
  2. Step 2: Convert to fraction form
    38,983.74/58,452.27 = 18,953.83/x
  3. Step 3: Cross multiply
    38,983.74x = 58,452.27 × 18,953.83
  4. Step 4: Simplify right side
    38,983.74x = 1,107,894,388.69
  5. Step 5: Solve for x
    x = 1,107,894,388.69/38,983.74
  6. Step 6: Final answer
    x = 28,419.40

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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.