Home / 39,451.09-54,439.90-22,457.07

Finding the Fourth Proportional to 39,451.09, 54,439.90 and 22,457.07

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Solution

The fourth proportional to 39,451.09, 54,439.90 and 22,457.07 is: 30,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.09 : 54,439.90 = 22,457.07 : x
  2. Step 2: Convert to fraction form
    39,451.09/54,439.90 = 22,457.07/x
  3. Step 3: Cross multiply
    39,451.09x = 54,439.90 × 22,457.07
  4. Step 4: Simplify right side
    39,451.09x = 1,222,560,742.06
  5. Step 5: Solve for x
    x = 1,222,560,742.06/39,451.09
  6. Step 6: Final answer
    x = 30,989.28

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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.