Home / 30,679.07-46,018.53-8,492.37

Finding the Fourth Proportional to 30,679.07, 46,018.53 and 8,492.37

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Solution

The fourth proportional to 30,679.07, 46,018.53 and 8,492.37 is: 12,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.07 : 46,018.53 = 8,492.37 : x
  2. Step 2: Convert to fraction form
    30,679.07/46,018.53 = 8,492.37/x
  3. Step 3: Cross multiply
    30,679.07x = 46,018.53 × 8,492.37
  4. Step 4: Simplify right side
    30,679.07x = 390,806,383.62
  5. Step 5: Solve for x
    x = 390,806,383.62/30,679.07
  6. Step 6: Final answer
    x = 12,738.54

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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.