Home / 53,220.33-73,436.04-30,560.31

Finding the Fourth Proportional to 53,220.33, 73,436.04 and 30,560.31

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Solution

The fourth proportional to 53,220.33, 73,436.04 and 30,560.31 is: 42,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.33 : 73,436.04 = 30,560.31 : x
  2. Step 2: Convert to fraction form
    53,220.33/73,436.04 = 30,560.31/x
  3. Step 3: Cross multiply
    53,220.33x = 73,436.04 × 30,560.31
  4. Step 4: Simplify right side
    53,220.33x = 2,244,228,147.57
  5. Step 5: Solve for x
    x = 2,244,228,147.57/53,220.33
  6. Step 6: Final answer
    x = 42,168.63

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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.