Home / 31,516.55-43,495.55-17,372.13

Finding the Fourth Proportional to 31,516.55, 43,495.55 and 17,372.13

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Solution

The fourth proportional to 31,516.55, 43,495.55 and 17,372.13 is: 23,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.55 : 43,495.55 = 17,372.13 : x
  2. Step 2: Convert to fraction form
    31,516.55/43,495.55 = 17,372.13/x
  3. Step 3: Cross multiply
    31,516.55x = 43,495.55 × 17,372.13
  4. Step 4: Simplify right side
    31,516.55x = 755,610,349.02
  5. Step 5: Solve for x
    x = 755,610,349.02/31,516.55
  6. Step 6: Final answer
    x = 23,975.03

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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.