Home / 39,944.60-55,122.72-22,038.92

Finding the Fourth Proportional to 39,944.60, 55,122.72 and 22,038.92

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Solution

The fourth proportional to 39,944.60, 55,122.72 and 22,038.92 is: 30,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.60 : 55,122.72 = 22,038.92 : x
  2. Step 2: Convert to fraction form
    39,944.60/55,122.72 = 22,038.92/x
  3. Step 3: Cross multiply
    39,944.60x = 55,122.72 × 22,038.92
  4. Step 4: Simplify right side
    39,944.60x = 1,214,845,216.26
  5. Step 5: Solve for x
    x = 1,214,845,216.26/39,944.60
  6. Step 6: Final answer
    x = 30,413.25

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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.