Home / 30,290.28-41,798.48-18,959.28

Finding the Fourth Proportional to 30,290.28, 41,798.48 and 18,959.28

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Solution

The fourth proportional to 30,290.28, 41,798.48 and 18,959.28 is: 26,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.28 : 41,798.48 = 18,959.28 : x
  2. Step 2: Convert to fraction form
    30,290.28/41,798.48 = 18,959.28/x
  3. Step 3: Cross multiply
    30,290.28x = 41,798.48 × 18,959.28
  4. Step 4: Simplify right side
    30,290.28x = 792,469,085.89
  5. Step 5: Solve for x
    x = 792,469,085.89/30,290.28
  6. Step 6: Final answer
    x = 26,162.49

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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.