Home / 30,292.36-45,409.38-18,608.92

Finding the Fourth Proportional to 30,292.36, 45,409.38 and 18,608.92

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Solution

The fourth proportional to 30,292.36, 45,409.38 and 18,608.92 is: 27,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.36 : 45,409.38 = 18,608.92 : x
  2. Step 2: Convert to fraction form
    30,292.36/45,409.38 = 18,608.92/x
  3. Step 3: Cross multiply
    30,292.36x = 45,409.38 × 18,608.92
  4. Step 4: Simplify right side
    30,292.36x = 845,019,519.67
  5. Step 5: Solve for x
    x = 845,019,519.67/30,292.36
  6. Step 6: Final answer
    x = 27,895.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.