Home / 30,679.19-46,018.84-8,492.63

Finding the Fourth Proportional to 30,679.19, 46,018.84 and 8,492.63

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Solution

The fourth proportional to 30,679.19, 46,018.84 and 8,492.63 is: 12,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.19 : 46,018.84 = 8,492.63 : x
  2. Step 2: Convert to fraction form
    30,679.19/46,018.84 = 8,492.63/x
  3. Step 3: Cross multiply
    30,679.19x = 46,018.84 × 8,492.63
  4. Step 4: Simplify right side
    30,679.19x = 390,820,981.15
  5. Step 5: Solve for x
    x = 390,820,981.15/30,679.19
  6. Step 6: Final answer
    x = 12,738.96

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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.