Home / 31,453.60-43,406.40-17,307.04

Finding the Fourth Proportional to 31,453.60, 43,406.40 and 17,307.04

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Solution

The fourth proportional to 31,453.60, 43,406.40 and 17,307.04 is: 23,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.60 : 43,406.40 = 17,307.04 : x
  2. Step 2: Convert to fraction form
    31,453.60/43,406.40 = 17,307.04/x
  3. Step 3: Cross multiply
    31,453.60x = 43,406.40 × 17,307.04
  4. Step 4: Simplify right side
    31,453.60x = 751,236,301.06
  5. Step 5: Solve for x
    x = 751,236,301.06/31,453.60
  6. Step 6: Final answer
    x = 23,883.95

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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.