Home / 30,440.16-41,986.68-26,454.48

Finding the Fourth Proportional to 30,440.16, 41,986.68 and 26,454.48

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Solution

The fourth proportional to 30,440.16, 41,986.68 and 26,454.48 is: 36,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,440.16 : 41,986.68 = 26,454.48 : x
  2. Step 2: Convert to fraction form
    30,440.16/41,986.68 = 26,454.48/x
  3. Step 3: Cross multiply
    30,440.16x = 41,986.68 × 26,454.48
  4. Step 4: Simplify right side
    30,440.16x = 1,110,735,786.33
  5. Step 5: Solve for x
    x = 1,110,735,786.33/30,440.16
  6. Step 6: Final answer
    x = 36,489.16

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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.