Home / 40,355.19-55,690.47-22,450.41

Finding the Fourth Proportional to 40,355.19, 55,690.47 and 22,450.41

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Solution

The fourth proportional to 40,355.19, 55,690.47 and 22,450.41 is: 30,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,355.19 : 55,690.47 = 22,450.41 : x
  2. Step 2: Convert to fraction form
    40,355.19/55,690.47 = 22,450.41/x
  3. Step 3: Cross multiply
    40,355.19x = 55,690.47 × 22,450.41
  4. Step 4: Simplify right side
    40,355.19x = 1,250,273,884.59
  5. Step 5: Solve for x
    x = 1,250,273,884.59/40,355.19
  6. Step 6: Final answer
    x = 30,981.74

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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.