Home / 23,151.40-34,713.69-20,383.63

Finding the Fourth Proportional to 23,151.40, 34,713.69 and 20,383.63

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Solution

The fourth proportional to 23,151.40, 34,713.69 and 20,383.63 is: 30,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.40 : 34,713.69 = 20,383.63 : x
  2. Step 2: Convert to fraction form
    23,151.40/34,713.69 = 20,383.63/x
  3. Step 3: Cross multiply
    23,151.40x = 34,713.69 × 20,383.63
  4. Step 4: Simplify right side
    23,151.40x = 707,591,012.89
  5. Step 5: Solve for x
    x = 707,591,012.89/23,151.40
  6. Step 6: Final answer
    x = 30,563.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.