Home / 29,378.89-40,549.26-18,054.33

Finding the Fourth Proportional to 29,378.89, 40,549.26 and 18,054.33

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Solution

The fourth proportional to 29,378.89, 40,549.26 and 18,054.33 is: 24,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.89 : 40,549.26 = 18,054.33 : x
  2. Step 2: Convert to fraction form
    29,378.89/40,549.26 = 18,054.33/x
  3. Step 3: Cross multiply
    29,378.89x = 40,549.26 × 18,054.33
  4. Step 4: Simplify right side
    29,378.89x = 732,089,721.30
  5. Step 5: Solve for x
    x = 732,089,721.30/29,378.89
  6. Step 6: Final answer
    x = 24,918.90

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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.