Home / 30,431.64-45,609.76-17,244.02

Finding the Fourth Proportional to 30,431.64, 45,609.76 and 17,244.02

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Solution

The fourth proportional to 30,431.64, 45,609.76 and 17,244.02 is: 25,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431.64 : 45,609.76 = 17,244.02 : x
  2. Step 2: Convert to fraction form
    30,431.64/45,609.76 = 17,244.02/x
  3. Step 3: Cross multiply
    30,431.64x = 45,609.76 × 17,244.02
  4. Step 4: Simplify right side
    30,431.64x = 786,495,613.64
  5. Step 5: Solve for x
    x = 786,495,613.64/30,431.64
  6. Step 6: Final answer
    x = 25,844.67

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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.