Home / 43,938.78-65,916.68-14,348.67

Finding the Fourth Proportional to 43,938.78, 65,916.68 and 14,348.67

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Solution

The fourth proportional to 43,938.78, 65,916.68 and 14,348.67 is: 21,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.78 : 65,916.68 = 14,348.67 : x
  2. Step 2: Convert to fraction form
    43,938.78/65,916.68 = 14,348.67/x
  3. Step 3: Cross multiply
    43,938.78x = 65,916.68 × 14,348.67
  4. Step 4: Simplify right side
    43,938.78x = 945,816,617.07
  5. Step 5: Solve for x
    x = 945,816,617.07/43,938.78
  6. Step 6: Final answer
    x = 21,525.78

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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.