Home / 35,678.07-49,235.73-19,763.55

Finding the Fourth Proportional to 35,678.07, 49,235.73 and 19,763.55

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Solution

The fourth proportional to 35,678.07, 49,235.73 and 19,763.55 is: 27,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,678.07 : 49,235.73 = 19,763.55 : x
  2. Step 2: Convert to fraction form
    35,678.07/49,235.73 = 19,763.55/x
  3. Step 3: Cross multiply
    35,678.07x = 49,235.73 × 19,763.55
  4. Step 4: Simplify right side
    35,678.07x = 973,072,811.64
  5. Step 5: Solve for x
    x = 973,072,811.64/35,678.07
  6. Step 6: Final answer
    x = 27,273.70

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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.