Home / 40,059.25-55,279.59-22,153.21

Finding the Fourth Proportional to 40,059.25, 55,279.59 and 22,153.21

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Solution

The fourth proportional to 40,059.25, 55,279.59 and 22,153.21 is: 30,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,059.25 : 55,279.59 = 22,153.21 : x
  2. Step 2: Convert to fraction form
    40,059.25/55,279.59 = 22,153.21/x
  3. Step 3: Cross multiply
    40,059.25x = 55,279.59 × 22,153.21
  4. Step 4: Simplify right side
    40,059.25x = 1,224,620,365.98
  5. Step 5: Solve for x
    x = 1,224,620,365.98/40,059.25
  6. Step 6: Final answer
    x = 30,570.23

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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.