Home / 40,423.21-55,785.71-22,518.21

Finding the Fourth Proportional to 40,423.21, 55,785.71 and 22,518.21

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Solution

The fourth proportional to 40,423.21, 55,785.71 and 22,518.21 is: 31,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.21 : 55,785.71 = 22,518.21 : x
  2. Step 2: Convert to fraction form
    40,423.21/55,785.71 = 22,518.21/x
  3. Step 3: Cross multiply
    40,423.21x = 55,785.71 × 22,518.21
  4. Step 4: Simplify right side
    40,423.21x = 1,256,194,332.78
  5. Step 5: Solve for x
    x = 1,256,194,332.78/40,423.21
  6. Step 6: Final answer
    x = 31,076.07

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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.