Home / 31,564.24-43,558.67-18,136.76

Finding the Fourth Proportional to 31,564.24, 43,558.67 and 18,136.76

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Solution

The fourth proportional to 31,564.24, 43,558.67 and 18,136.76 is: 25,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.24 : 43,558.67 = 18,136.76 : x
  2. Step 2: Convert to fraction form
    31,564.24/43,558.67 = 18,136.76/x
  3. Step 3: Cross multiply
    31,564.24x = 43,558.67 × 18,136.76
  4. Step 4: Simplify right side
    31,564.24x = 790,012,971.26
  5. Step 5: Solve for x
    x = 790,012,971.26/31,564.24
  6. Step 6: Final answer
    x = 25,028.74

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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.