Home / 30,262.28-41,765.63-18,325.31

Finding the Fourth Proportional to 30,262.28, 41,765.63 and 18,325.31

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Solution

The fourth proportional to 30,262.28, 41,765.63 and 18,325.31 is: 25,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,262.28 : 41,765.63 = 18,325.31 : x
  2. Step 2: Convert to fraction form
    30,262.28/41,765.63 = 18,325.31/x
  3. Step 3: Cross multiply
    30,262.28x = 41,765.63 × 18,325.31
  4. Step 4: Simplify right side
    30,262.28x = 765,367,816.64
  5. Step 5: Solve for x
    x = 765,367,816.64/30,262.28
  6. Step 6: Final answer
    x = 25,291.15

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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.