Home / 30,572.38-45,858.66-13,031.02

Finding the Fourth Proportional to 30,572.38, 45,858.66 and 13,031.02

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Solution

The fourth proportional to 30,572.38, 45,858.66 and 13,031.02 is: 19,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,572.38 : 45,858.66 = 13,031.02 : x
  2. Step 2: Convert to fraction form
    30,572.38/45,858.66 = 13,031.02/x
  3. Step 3: Cross multiply
    30,572.38x = 45,858.66 × 13,031.02
  4. Step 4: Simplify right side
    30,572.38x = 597,585,115.63
  5. Step 5: Solve for x
    x = 597,585,115.63/30,572.38
  6. Step 6: Final answer
    x = 19,546.57

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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.