Home / 31,256.64-43,135.26-17,110.80

Finding the Fourth Proportional to 31,256.64, 43,135.26 and 17,110.80

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Solution

The fourth proportional to 31,256.64, 43,135.26 and 17,110.80 is: 23,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.64 : 43,135.26 = 17,110.80 : x
  2. Step 2: Convert to fraction form
    31,256.64/43,135.26 = 17,110.80/x
  3. Step 3: Cross multiply
    31,256.64x = 43,135.26 × 17,110.80
  4. Step 4: Simplify right side
    31,256.64x = 738,078,806.81
  5. Step 5: Solve for x
    x = 738,078,806.81/31,256.64
  6. Step 6: Final answer
    x = 23,613.50

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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.