Home / 30,063.35-41,479.95-19,440.20

Finding the Fourth Proportional to 30,063.35, 41,479.95 and 19,440.20

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Solution

The fourth proportional to 30,063.35, 41,479.95 and 19,440.20 is: 26,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.35 : 41,479.95 = 19,440.20 : x
  2. Step 2: Convert to fraction form
    30,063.35/41,479.95 = 19,440.20/x
  3. Step 3: Cross multiply
    30,063.35x = 41,479.95 × 19,440.20
  4. Step 4: Simplify right side
    30,063.35x = 806,378,523.99
  5. Step 5: Solve for x
    x = 806,378,523.99/30,063.35
  6. Step 6: Final answer
    x = 26,822.64

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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.