Home / 30,152.44-41,593.26-18,955

Finding the Fourth Proportional to 30,152.44, 41,593.26 and 18,955

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Solution

The fourth proportional to 30,152.44, 41,593.26 and 18,955 is: 26,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.44 : 41,593.26 = 18,955 : x
  2. Step 2: Convert to fraction form
    30,152.44/41,593.26 = 18,955/x
  3. Step 3: Cross multiply
    30,152.44x = 41,593.26 × 18,955
  4. Step 4: Simplify right side
    30,152.44x = 788,400,243.30
  5. Step 5: Solve for x
    x = 788,400,243.30/30,152.44
  6. Step 6: Final answer
    x = 26,147.15

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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.