Home / 31,301.07-43,195.50-17,153.94

Finding the Fourth Proportional to 31,301.07, 43,195.50 and 17,153.94

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Solution

The fourth proportional to 31,301.07, 43,195.50 and 17,153.94 is: 23,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.07 : 43,195.50 = 17,153.94 : x
  2. Step 2: Convert to fraction form
    31,301.07/43,195.50 = 17,153.94/x
  3. Step 3: Cross multiply
    31,301.07x = 43,195.50 × 17,153.94
  4. Step 4: Simplify right side
    31,301.07x = 740,973,015.27
  5. Step 5: Solve for x
    x = 740,973,015.27/31,301.07
  6. Step 6: Final answer
    x = 23,672.45

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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.