Home / 40,354.98-55,683.87-22,450.20

Finding the Fourth Proportional to 40,354.98, 55,683.87 and 22,450.20

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Solution

The fourth proportional to 40,354.98, 55,683.87 and 22,450.20 is: 30,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.98 : 55,683.87 = 22,450.20 : x
  2. Step 2: Convert to fraction form
    40,354.98/55,683.87 = 22,450.20/x
  3. Step 3: Cross multiply
    40,354.98x = 55,683.87 × 22,450.20
  4. Step 4: Simplify right side
    40,354.98x = 1,250,114,018.27
  5. Step 5: Solve for x
    x = 1,250,114,018.27/40,354.98
  6. Step 6: Final answer
    x = 30,977.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.