Home / 40,106.87-55,359.81-23,122.46

Finding the Fourth Proportional to 40,106.87, 55,359.81 and 23,122.46

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Solution

The fourth proportional to 40,106.87, 55,359.81 and 23,122.46 is: 31,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106.87 : 55,359.81 = 23,122.46 : x
  2. Step 2: Convert to fraction form
    40,106.87/55,359.81 = 23,122.46/x
  3. Step 3: Cross multiply
    40,106.87x = 55,359.81 × 23,122.46
  4. Step 4: Simplify right side
    40,106.87x = 1,280,054,992.33
  5. Step 5: Solve for x
    x = 1,280,054,992.33/40,106.87
  6. Step 6: Final answer
    x = 31,916.10

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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.