Home / 53,485.05-73,809.37-29,287.54

Finding the Fourth Proportional to 53,485.05, 73,809.37 and 29,287.54

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Solution

The fourth proportional to 53,485.05, 73,809.37 and 29,287.54 is: 40,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,485.05 : 73,809.37 = 29,287.54 : x
  2. Step 2: Convert to fraction form
    53,485.05/73,809.37 = 29,287.54/x
  3. Step 3: Cross multiply
    53,485.05x = 73,809.37 × 29,287.54
  4. Step 4: Simplify right side
    53,485.05x = 2,161,694,600.65
  5. Step 5: Solve for x
    x = 2,161,694,600.65/53,485.05
  6. Step 6: Final answer
    x = 40,416.80

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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.