Home / 30,262.15-41,762.21-18,326.60

Finding the Fourth Proportional to 30,262.15, 41,762.21 and 18,326.60

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Solution

The fourth proportional to 30,262.15, 41,762.21 and 18,326.60 is: 25,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,262.15 : 41,762.21 = 18,326.60 : x
  2. Step 2: Convert to fraction form
    30,262.15/41,762.21 = 18,326.60/x
  3. Step 3: Cross multiply
    30,262.15x = 41,762.21 × 18,326.60
  4. Step 4: Simplify right side
    30,262.15x = 765,359,317.79
  5. Step 5: Solve for x
    x = 765,359,317.79/30,262.15
  6. Step 6: Final answer
    x = 25,290.98

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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.