Home / 40,044.51-55,256.47-22,139.87

Finding the Fourth Proportional to 40,044.51, 55,256.47 and 22,139.87

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Solution

The fourth proportional to 40,044.51, 55,256.47 and 22,139.87 is: 30,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044.51 : 55,256.47 = 22,139.87 : x
  2. Step 2: Convert to fraction form
    40,044.51/55,256.47 = 22,139.87/x
  3. Step 3: Cross multiply
    40,044.51x = 55,256.47 × 22,139.87
  4. Step 4: Simplify right side
    40,044.51x = 1,223,370,786.18
  5. Step 5: Solve for x
    x = 1,223,370,786.18/40,044.51
  6. Step 6: Final answer
    x = 30,550.27

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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.