Home / 35,855.79-49,482.66-19,940.50

Finding the Fourth Proportional to 35,855.79, 49,482.66 and 19,940.50

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Solution

The fourth proportional to 35,855.79, 49,482.66 and 19,940.50 is: 27,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.79 : 49,482.66 = 19,940.50 : x
  2. Step 2: Convert to fraction form
    35,855.79/49,482.66 = 19,940.50/x
  3. Step 3: Cross multiply
    35,855.79x = 49,482.66 × 19,940.50
  4. Step 4: Simplify right side
    35,855.79x = 986,708,981.73
  5. Step 5: Solve for x
    x = 986,708,981.73/35,855.79
  6. Step 6: Final answer
    x = 27,518.82

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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.