Home / 54,433.20-81,649.80-23,271.60

Finding the Fourth Proportional to 54,433.20, 81,649.80 and 23,271.60

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Solution

The fourth proportional to 54,433.20, 81,649.80 and 23,271.60 is: 34,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.20 : 81,649.80 = 23,271.60 : x
  2. Step 2: Convert to fraction form
    54,433.20/81,649.80 = 23,271.60/x
  3. Step 3: Cross multiply
    54,433.20x = 81,649.80 × 23,271.60
  4. Step 4: Simplify right side
    54,433.20x = 1,900,121,485.68
  5. Step 5: Solve for x
    x = 1,900,121,485.68/54,433.20
  6. Step 6: Final answer
    x = 34,907.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.