Home / 40,026.86-55,239.92-22,121.51

Finding the Fourth Proportional to 40,026.86, 55,239.92 and 22,121.51

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Solution

The fourth proportional to 40,026.86, 55,239.92 and 22,121.51 is: 30,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,026.86 : 55,239.92 = 22,121.51 : x
  2. Step 2: Convert to fraction form
    40,026.86/55,239.92 = 22,121.51/x
  3. Step 3: Cross multiply
    40,026.86x = 55,239.92 × 22,121.51
  4. Step 4: Simplify right side
    40,026.86x = 1,221,990,263.26
  5. Step 5: Solve for x
    x = 1,221,990,263.26/40,026.86
  6. Step 6: Final answer
    x = 30,529.26

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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.