Home / 39,943.98-55,121.76-22,038.98

Finding the Fourth Proportional to 39,943.98, 55,121.76 and 22,038.98

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Solution

The fourth proportional to 39,943.98, 55,121.76 and 22,038.98 is: 30,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.98 : 55,121.76 = 22,038.98 : x
  2. Step 2: Convert to fraction form
    39,943.98/55,121.76 = 22,038.98/x
  3. Step 3: Cross multiply
    39,943.98x = 55,121.76 × 22,038.98
  4. Step 4: Simplify right side
    39,943.98x = 1,214,827,090.60
  5. Step 5: Solve for x
    x = 1,214,827,090.60/39,943.98
  6. Step 6: Final answer
    x = 30,413.27

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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.