Home / 57,998.84-86,973.68-20,568.36

Finding the Fourth Proportional to 57,998.84, 86,973.68 and 20,568.36

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Solution

The fourth proportional to 57,998.84, 86,973.68 and 20,568.36 is: 30,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,998.84 : 86,973.68 = 20,568.36 : x
  2. Step 2: Convert to fraction form
    57,998.84/86,973.68 = 20,568.36/x
  3. Step 3: Cross multiply
    57,998.84x = 86,973.68 × 20,568.36
  4. Step 4: Simplify right side
    57,998.84x = 1,788,905,960.76
  5. Step 5: Solve for x
    x = 1,788,905,960.76/57,998.84
  6. Step 6: Final answer
    x = 30,843.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.