Home / 40,051.48-55,268.81-22,145.41

Finding the Fourth Proportional to 40,051.48, 55,268.81 and 22,145.41

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Solution

The fourth proportional to 40,051.48, 55,268.81 and 22,145.41 is: 30,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.48 : 55,268.81 = 22,145.41 : x
  2. Step 2: Convert to fraction form
    40,051.48/55,268.81 = 22,145.41/x
  3. Step 3: Cross multiply
    40,051.48x = 55,268.81 × 22,145.41
  4. Step 4: Simplify right side
    40,051.48x = 1,223,950,457.66
  5. Step 5: Solve for x
    x = 1,223,950,457.66/40,051.48
  6. Step 6: Final answer
    x = 30,559.43

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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.