Home / 30,981.18-46,433.70-14,318.67

Finding the Fourth Proportional to 30,981.18, 46,433.70 and 14,318.67

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Solution

The fourth proportional to 30,981.18, 46,433.70 and 14,318.67 is: 21,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981.18 : 46,433.70 = 14,318.67 : x
  2. Step 2: Convert to fraction form
    30,981.18/46,433.70 = 14,318.67/x
  3. Step 3: Cross multiply
    30,981.18x = 46,433.70 × 14,318.67
  4. Step 4: Simplify right side
    30,981.18x = 664,868,827.18
  5. Step 5: Solve for x
    x = 664,868,827.18/30,981.18
  6. Step 6: Final answer
    x = 21,460.41

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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.