Home / 30,271.20-41,767.47-18,334.32

Finding the Fourth Proportional to 30,271.20, 41,767.47 and 18,334.32

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Solution

The fourth proportional to 30,271.20, 41,767.47 and 18,334.32 is: 25,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.20 : 41,767.47 = 18,334.32 : x
  2. Step 2: Convert to fraction form
    30,271.20/41,767.47 = 18,334.32/x
  3. Step 3: Cross multiply
    30,271.20x = 41,767.47 × 18,334.32
  4. Step 4: Simplify right side
    30,271.20x = 765,778,160.57
  5. Step 5: Solve for x
    x = 765,778,160.57/30,271.20
  6. Step 6: Final answer
    x = 25,297.25

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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.