Home / 57,519.36-86,299.80-20,084.96

Finding the Fourth Proportional to 57,519.36, 86,299.80 and 20,084.96

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Solution

The fourth proportional to 57,519.36, 86,299.80 and 20,084.96 is: 30,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.36 : 86,299.80 = 20,084.96 : x
  2. Step 2: Convert to fraction form
    57,519.36/86,299.80 = 20,084.96/x
  3. Step 3: Cross multiply
    57,519.36x = 86,299.80 × 20,084.96
  4. Step 4: Simplify right side
    57,519.36x = 1,733,328,031.01
  5. Step 5: Solve for x
    x = 1,733,328,031.01/57,519.36
  6. Step 6: Final answer
    x = 30,134.69

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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.