Home / 40,160.93-55,422.40-22,256.23

Finding the Fourth Proportional to 40,160.93, 55,422.40 and 22,256.23

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Solution

The fourth proportional to 40,160.93, 55,422.40 and 22,256.23 is: 30,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.93 : 55,422.40 = 22,256.23 : x
  2. Step 2: Convert to fraction form
    40,160.93/55,422.40 = 22,256.23/x
  3. Step 3: Cross multiply
    40,160.93x = 55,422.40 × 22,256.23
  4. Step 4: Simplify right side
    40,160.93x = 1,233,493,460.08
  5. Step 5: Solve for x
    x = 1,233,493,460.08/40,160.93
  6. Step 6: Final answer
    x = 30,713.77

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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.