Home / 39,980.16-55,173.06-22,992.84

Finding the Fourth Proportional to 39,980.16, 55,173.06 and 22,992.84

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Solution

The fourth proportional to 39,980.16, 55,173.06 and 22,992.84 is: 31,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,980.16 : 55,173.06 = 22,992.84 : x
  2. Step 2: Convert to fraction form
    39,980.16/55,173.06 = 22,992.84/x
  3. Step 3: Cross multiply
    39,980.16x = 55,173.06 × 22,992.84
  4. Step 4: Simplify right side
    39,980.16x = 1,268,585,340.89
  5. Step 5: Solve for x
    x = 1,268,585,340.89/39,980.16
  6. Step 6: Final answer
    x = 31,730.37

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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.