Home / 40,053.06-55,268.37-22,145.63

Finding the Fourth Proportional to 40,053.06, 55,268.37 and 22,145.63

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Solution

The fourth proportional to 40,053.06, 55,268.37 and 22,145.63 is: 30,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,053.06 : 55,268.37 = 22,145.63 : x
  2. Step 2: Convert to fraction form
    40,053.06/55,268.37 = 22,145.63/x
  3. Step 3: Cross multiply
    40,053.06x = 55,268.37 × 22,145.63
  4. Step 4: Simplify right side
    40,053.06x = 1,223,952,596.38
  5. Step 5: Solve for x
    x = 1,223,952,596.38/40,053.06
  6. Step 6: Final answer
    x = 30,558.28

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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.