Home / 34,983.39-48,278.37-19,878.61

Finding the Fourth Proportional to 34,983.39, 48,278.37 and 19,878.61

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Solution

The fourth proportional to 34,983.39, 48,278.37 and 19,878.61 is: 27,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,983.39 : 48,278.37 = 19,878.61 : x
  2. Step 2: Convert to fraction form
    34,983.39/48,278.37 = 19,878.61/x
  3. Step 3: Cross multiply
    34,983.39x = 48,278.37 × 19,878.61
  4. Step 4: Simplify right side
    34,983.39x = 959,706,888.67
  5. Step 5: Solve for x
    x = 959,706,888.67/34,983.39
  6. Step 6: Final answer
    x = 27,433.22

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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.