Home / 56,983.47-85,474.26-21,930.72

Finding the Fourth Proportional to 56,983.47, 85,474.26 and 21,930.72

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Solution

The fourth proportional to 56,983.47, 85,474.26 and 21,930.72 is: 32,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,983.47 : 85,474.26 = 21,930.72 : x
  2. Step 2: Convert to fraction form
    56,983.47/85,474.26 = 21,930.72/x
  3. Step 3: Cross multiply
    56,983.47x = 85,474.26 × 21,930.72
  4. Step 4: Simplify right side
    56,983.47x = 1,874,512,063.27
  5. Step 5: Solve for x
    x = 1,874,512,063.27/56,983.47
  6. Step 6: Final answer
    x = 32,895.72

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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.