Home / 40,215.06-55,494.90-22,309.74

Finding the Fourth Proportional to 40,215.06, 55,494.90 and 22,309.74

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Solution

The fourth proportional to 40,215.06, 55,494.90 and 22,309.74 is: 30,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.06 : 55,494.90 = 22,309.74 : x
  2. Step 2: Convert to fraction form
    40,215.06/55,494.90 = 22,309.74/x
  3. Step 3: Cross multiply
    40,215.06x = 55,494.90 × 22,309.74
  4. Step 4: Simplify right side
    40,215.06x = 1,238,076,790.33
  5. Step 5: Solve for x
    x = 1,238,076,790.33/40,215.06
  6. Step 6: Final answer
    x = 30,786.40

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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.