Home / 57,876.24-86,841.34-20,464.62

Finding the Fourth Proportional to 57,876.24, 86,841.34 and 20,464.62

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Solution

The fourth proportional to 57,876.24, 86,841.34 and 20,464.62 is: 30,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,876.24 : 86,841.34 = 20,464.62 : x
  2. Step 2: Convert to fraction form
    57,876.24/86,841.34 = 20,464.62/x
  3. Step 3: Cross multiply
    57,876.24x = 86,841.34 × 20,464.62
  4. Step 4: Simplify right side
    57,876.24x = 1,777,175,023.39
  5. Step 5: Solve for x
    x = 1,777,175,023.39/57,876.24
  6. Step 6: Final answer
    x = 30,706.47

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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.