Home / 56,000.24-83,951.80-20,940.24

Finding the Fourth Proportional to 56,000.24, 83,951.80 and 20,940.24

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Solution

The fourth proportional to 56,000.24, 83,951.80 and 20,940.24 is: 31,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.24 : 83,951.80 = 20,940.24 : x
  2. Step 2: Convert to fraction form
    56,000.24/83,951.80 = 20,940.24/x
  3. Step 3: Cross multiply
    56,000.24x = 83,951.80 × 20,940.24
  4. Step 4: Simplify right side
    56,000.24x = 1,757,970,840.43
  5. Step 5: Solve for x
    x = 1,757,970,840.43/56,000.24
  6. Step 6: Final answer
    x = 31,392.20

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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.