Home / 40,355.67-55,689.99-22,450.29

Finding the Fourth Proportional to 40,355.67, 55,689.99 and 22,450.29

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Solution

The fourth proportional to 40,355.67, 55,689.99 and 22,450.29 is: 30,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,355.67 : 55,689.99 = 22,450.29 : x
  2. Step 2: Convert to fraction form
    40,355.67/55,689.99 = 22,450.29/x
  3. Step 3: Cross multiply
    40,355.67x = 55,689.99 × 22,450.29
  4. Step 4: Simplify right side
    40,355.67x = 1,250,256,425.60
  5. Step 5: Solve for x
    x = 1,250,256,425.60/40,355.67
  6. Step 6: Final answer
    x = 30,980.94

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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.