Home / 43,574.34-65,389.16-18,614.57

Finding the Fourth Proportional to 43,574.34, 65,389.16 and 18,614.57

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Solution

The fourth proportional to 43,574.34, 65,389.16 and 18,614.57 is: 27,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,574.34 : 65,389.16 = 18,614.57 : x
  2. Step 2: Convert to fraction form
    43,574.34/65,389.16 = 18,614.57/x
  3. Step 3: Cross multiply
    43,574.34x = 65,389.16 × 18,614.57
  4. Step 4: Simplify right side
    43,574.34x = 1,217,191,249.24
  5. Step 5: Solve for x
    x = 1,217,191,249.24/43,574.34
  6. Step 6: Final answer
    x = 27,933.67

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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.