Home / 34,701.35-51,931.73-21,368.41

Finding the Fourth Proportional to 34,701.35, 51,931.73 and 21,368.41

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Solution

The fourth proportional to 34,701.35, 51,931.73 and 21,368.41 is: 31,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,701.35 : 51,931.73 = 21,368.41 : x
  2. Step 2: Convert to fraction form
    34,701.35/51,931.73 = 21,368.41/x
  3. Step 3: Cross multiply
    34,701.35x = 51,931.73 × 21,368.41
  4. Step 4: Simplify right side
    34,701.35x = 1,109,698,422.24
  5. Step 5: Solve for x
    x = 1,109,698,422.24/34,701.35
  6. Step 6: Final answer
    x = 31,978.54

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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.