Home / 31,106.40-46,586.70-19,296.60

Finding the Fourth Proportional to 31,106.40, 46,586.70 and 19,296.60

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Solution

The fourth proportional to 31,106.40, 46,586.70 and 19,296.60 is: 28,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106.40 : 46,586.70 = 19,296.60 : x
  2. Step 2: Convert to fraction form
    31,106.40/46,586.70 = 19,296.60/x
  3. Step 3: Cross multiply
    31,106.40x = 46,586.70 × 19,296.60
  4. Step 4: Simplify right side
    31,106.40x = 898,964,915.22
  5. Step 5: Solve for x
    x = 898,964,915.22/31,106.40
  6. Step 6: Final answer
    x = 28,899.68

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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.