Home / 53,388.09-73,677.13-29,190.47

Finding the Fourth Proportional to 53,388.09, 73,677.13 and 29,190.47

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Solution

The fourth proportional to 53,388.09, 73,677.13 and 29,190.47 is: 40,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,388.09 : 73,677.13 = 29,190.47 : x
  2. Step 2: Convert to fraction form
    53,388.09/73,677.13 = 29,190.47/x
  3. Step 3: Cross multiply
    53,388.09x = 73,677.13 × 29,190.47
  4. Step 4: Simplify right side
    53,388.09x = 2,150,669,912.65
  5. Step 5: Solve for x
    x = 2,150,669,912.65/53,388.09
  6. Step 6: Final answer
    x = 40,283.70

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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.