Home / 34,642.89-51,970.82-13,868.01

Finding the Fourth Proportional to 34,642.89, 51,970.82 and 13,868.01

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Solution

The fourth proportional to 34,642.89, 51,970.82 and 13,868.01 is: 20,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,642.89 : 51,970.82 = 13,868.01 : x
  2. Step 2: Convert to fraction form
    34,642.89/51,970.82 = 13,868.01/x
  3. Step 3: Cross multiply
    34,642.89x = 51,970.82 × 13,868.01
  4. Step 4: Simplify right side
    34,642.89x = 720,731,782.13
  5. Step 5: Solve for x
    x = 720,731,782.13/34,642.89
  6. Step 6: Final answer
    x = 20,804.61

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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.