Home / 55,998.39-77,277.75-30,847.89

Finding the Fourth Proportional to 55,998.39, 77,277.75 and 30,847.89

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Solution

The fourth proportional to 55,998.39, 77,277.75 and 30,847.89 is: 42,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998.39 : 77,277.75 = 30,847.89 : x
  2. Step 2: Convert to fraction form
    55,998.39/77,277.75 = 30,847.89/x
  3. Step 3: Cross multiply
    55,998.39x = 77,277.75 × 30,847.89
  4. Step 4: Simplify right side
    55,998.39x = 2,383,855,531.45
  5. Step 5: Solve for x
    x = 2,383,855,531.45/55,998.39
  6. Step 6: Final answer
    x = 42,570.07

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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.