Home / 40,455.59-55,828.97-22,551.72

Finding the Fourth Proportional to 40,455.59, 55,828.97 and 22,551.72

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Solution

The fourth proportional to 40,455.59, 55,828.97 and 22,551.72 is: 31,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.59 : 55,828.97 = 22,551.72 : x
  2. Step 2: Convert to fraction form
    40,455.59/55,828.97 = 22,551.72/x
  3. Step 3: Cross multiply
    40,455.59x = 55,828.97 × 22,551.72
  4. Step 4: Simplify right side
    40,455.59x = 1,259,039,186.57
  5. Step 5: Solve for x
    x = 1,259,039,186.57/40,455.59
  6. Step 6: Final answer
    x = 31,121.52

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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.