Home / 30,293.75-41,799.26-18,350.15

Finding the Fourth Proportional to 30,293.75, 41,799.26 and 18,350.15

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Solution

The fourth proportional to 30,293.75, 41,799.26 and 18,350.15 is: 25,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.75 : 41,799.26 = 18,350.15 : x
  2. Step 2: Convert to fraction form
    30,293.75/41,799.26 = 18,350.15/x
  3. Step 3: Cross multiply
    30,293.75x = 41,799.26 × 18,350.15
  4. Step 4: Simplify right side
    30,293.75x = 767,022,527.77
  5. Step 5: Solve for x
    x = 767,022,527.77/30,293.75
  6. Step 6: Final answer
    x = 25,319.50

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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.