Home / 49,289.98-73,987.60-21,223.93

Finding the Fourth Proportional to 49,289.98, 73,987.60 and 21,223.93

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Solution

The fourth proportional to 49,289.98, 73,987.60 and 21,223.93 is: 31,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,289.98 : 73,987.60 = 21,223.93 : x
  2. Step 2: Convert to fraction form
    49,289.98/73,987.60 = 21,223.93/x
  3. Step 3: Cross multiply
    49,289.98x = 73,987.60 × 21,223.93
  4. Step 4: Simplify right side
    49,289.98x = 1,570,307,643.27
  5. Step 5: Solve for x
    x = 1,570,307,643.27/49,289.98
  6. Step 6: Final answer
    x = 31,858.56

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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.