Home / 30,389.60-41,941.44-18,452.16

Finding the Fourth Proportional to 30,389.60, 41,941.44 and 18,452.16

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Solution

The fourth proportional to 30,389.60, 41,941.44 and 18,452.16 is: 25,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.60 : 41,941.44 = 18,452.16 : x
  2. Step 2: Convert to fraction form
    30,389.60/41,941.44 = 18,452.16/x
  3. Step 3: Cross multiply
    30,389.60x = 41,941.44 × 18,452.16
  4. Step 4: Simplify right side
    30,389.60x = 773,910,161.51
  5. Step 5: Solve for x
    x = 773,910,161.51/30,389.60
  6. Step 6: Final answer
    x = 25,466.28

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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.