Home / 31,577.55-43,576.68-17,430.09

Finding the Fourth Proportional to 31,577.55, 43,576.68 and 17,430.09

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Solution

The fourth proportional to 31,577.55, 43,576.68 and 17,430.09 is: 24,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.55 : 43,576.68 = 17,430.09 : x
  2. Step 2: Convert to fraction form
    31,577.55/43,576.68 = 17,430.09/x
  3. Step 3: Cross multiply
    31,577.55x = 43,576.68 × 17,430.09
  4. Step 4: Simplify right side
    31,577.55x = 759,545,454.30
  5. Step 5: Solve for x
    x = 759,545,454.30/31,577.55
  6. Step 6: Final answer
    x = 24,053.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.