Home / 30,276.70-41,775.06-18,339.82

Finding the Fourth Proportional to 30,276.70, 41,775.06 and 18,339.82

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Solution

The fourth proportional to 30,276.70, 41,775.06 and 18,339.82 is: 25,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.70 : 41,775.06 = 18,339.82 : x
  2. Step 2: Convert to fraction form
    30,276.70/41,775.06 = 18,339.82/x
  3. Step 3: Cross multiply
    30,276.70x = 41,775.06 × 18,339.82
  4. Step 4: Simplify right side
    30,276.70x = 766,147,080.89
  5. Step 5: Solve for x
    x = 766,147,080.89/30,276.70
  6. Step 6: Final answer
    x = 25,304.84

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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.