Home / 43,389.34-65,096.26-13,809.49

Finding the Fourth Proportional to 43,389.34, 65,096.26 and 13,809.49

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Solution

The fourth proportional to 43,389.34, 65,096.26 and 13,809.49 is: 20,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,389.34 : 65,096.26 = 13,809.49 : x
  2. Step 2: Convert to fraction form
    43,389.34/65,096.26 = 13,809.49/x
  3. Step 3: Cross multiply
    43,389.34x = 65,096.26 × 13,809.49
  4. Step 4: Simplify right side
    43,389.34x = 898,945,954.24
  5. Step 5: Solve for x
    x = 898,945,954.24/43,389.34
  6. Step 6: Final answer
    x = 20,718.13

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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.