Home / 36,019.18-49,705.43-20,103.29

Finding the Fourth Proportional to 36,019.18, 49,705.43 and 20,103.29

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Solution

The fourth proportional to 36,019.18, 49,705.43 and 20,103.29 is: 27,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.18 : 49,705.43 = 20,103.29 : x
  2. Step 2: Convert to fraction form
    36,019.18/49,705.43 = 20,103.29/x
  3. Step 3: Cross multiply
    36,019.18x = 49,705.43 × 20,103.29
  4. Step 4: Simplify right side
    36,019.18x = 999,242,425.34
  5. Step 5: Solve for x
    x = 999,242,425.34/36,019.18
  6. Step 6: Final answer
    x = 27,741.96

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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.