Home / 38,705.23-58,057.85-12,412.02

Finding the Fourth Proportional to 38,705.23, 58,057.85 and 12,412.02

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Solution

The fourth proportional to 38,705.23, 58,057.85 and 12,412.02 is: 18,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,705.23 : 58,057.85 = 12,412.02 : x
  2. Step 2: Convert to fraction form
    38,705.23/58,057.85 = 12,412.02/x
  3. Step 3: Cross multiply
    38,705.23x = 58,057.85 × 12,412.02
  4. Step 4: Simplify right side
    38,705.23x = 720,615,195.36
  5. Step 5: Solve for x
    x = 720,615,195.36/38,705.23
  6. Step 6: Final answer
    x = 18,618.03

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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.