Home / 35,397.57-48,837.63-20,081.61

Finding the Fourth Proportional to 35,397.57, 48,837.63 and 20,081.61

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Solution

The fourth proportional to 35,397.57, 48,837.63 and 20,081.61 is: 27,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,397.57 : 48,837.63 = 20,081.61 : x
  2. Step 2: Convert to fraction form
    35,397.57/48,837.63 = 20,081.61/x
  3. Step 3: Cross multiply
    35,397.57x = 48,837.63 × 20,081.61
  4. Step 4: Simplify right side
    35,397.57x = 980,738,238.98
  5. Step 5: Solve for x
    x = 980,738,238.98/35,397.57
  6. Step 6: Final answer
    x = 27,706.37

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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.