Home / 29,640.45-40,903.88-16,211.67

Finding the Fourth Proportional to 29,640.45, 40,903.88 and 16,211.67

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Solution

The fourth proportional to 29,640.45, 40,903.88 and 16,211.67 is: 22,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.45 : 40,903.88 = 16,211.67 : x
  2. Step 2: Convert to fraction form
    29,640.45/40,903.88 = 16,211.67/x
  3. Step 3: Cross multiply
    29,640.45x = 40,903.88 × 16,211.67
  4. Step 4: Simplify right side
    29,640.45x = 663,120,204.28
  5. Step 5: Solve for x
    x = 663,120,204.28/29,640.45
  6. Step 6: Final answer
    x = 22,372.14

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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.