Home / 53,622.80-80,441.40-18,573.20

Finding the Fourth Proportional to 53,622.80, 80,441.40 and 18,573.20

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Solution

The fourth proportional to 53,622.80, 80,441.40 and 18,573.20 is: 27,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,622.80 : 80,441.40 = 18,573.20 : x
  2. Step 2: Convert to fraction form
    53,622.80/80,441.40 = 18,573.20/x
  3. Step 3: Cross multiply
    53,622.80x = 80,441.40 × 18,573.20
  4. Step 4: Simplify right side
    53,622.80x = 1,494,054,210.48
  5. Step 5: Solve for x
    x = 1,494,054,210.48/53,622.80
  6. Step 6: Final answer
    x = 27,862.29

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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.