Home / 40,007.51-55,209.69-22,103.27

Finding the Fourth Proportional to 40,007.51, 55,209.69 and 22,103.27

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Solution

The fourth proportional to 40,007.51, 55,209.69 and 22,103.27 is: 30,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.51 : 55,209.69 = 22,103.27 : x
  2. Step 2: Convert to fraction form
    40,007.51/55,209.69 = 22,103.27/x
  3. Step 3: Cross multiply
    40,007.51x = 55,209.69 × 22,103.27
  4. Step 4: Simplify right side
    40,007.51x = 1,220,314,408.64
  5. Step 5: Solve for x
    x = 1,220,314,408.64/40,007.51
  6. Step 6: Final answer
    x = 30,502.14

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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.