Home / 57,741.11-86,594.35-20,294.20

Finding the Fourth Proportional to 57,741.11, 86,594.35 and 20,294.20

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Solution

The fourth proportional to 57,741.11, 86,594.35 and 20,294.20 is: 30,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,741.11 : 86,594.35 = 20,294.20 : x
  2. Step 2: Convert to fraction form
    57,741.11/86,594.35 = 20,294.20/x
  3. Step 3: Cross multiply
    57,741.11x = 86,594.35 × 20,294.20
  4. Step 4: Simplify right side
    57,741.11x = 1,757,363,057.77
  5. Step 5: Solve for x
    x = 1,757,363,057.77/57,741.11
  6. Step 6: Final answer
    x = 30,435.21

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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.