Home / 31,193.69-43,047.23-17,764.95

Finding the Fourth Proportional to 31,193.69, 43,047.23 and 17,764.95

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Solution

The fourth proportional to 31,193.69, 43,047.23 and 17,764.95 is: 24,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,193.69 : 43,047.23 = 17,764.95 : x
  2. Step 2: Convert to fraction form
    31,193.69/43,047.23 = 17,764.95/x
  3. Step 3: Cross multiply
    31,193.69x = 43,047.23 × 17,764.95
  4. Step 4: Simplify right side
    31,193.69x = 764,731,888.59
  5. Step 5: Solve for x
    x = 764,731,888.59/31,193.69
  6. Step 6: Final answer
    x = 24,515.60

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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.