Home / 54,362.24-81,543.44-43,782.72

Finding the Fourth Proportional to 54,362.24, 81,543.44 and 43,782.72

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Solution

The fourth proportional to 54,362.24, 81,543.44 and 43,782.72 is: 65,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,362.24 : 81,543.44 = 43,782.72 : x
  2. Step 2: Convert to fraction form
    54,362.24/81,543.44 = 43,782.72/x
  3. Step 3: Cross multiply
    54,362.24x = 81,543.44 × 43,782.72
  4. Step 4: Simplify right side
    54,362.24x = 3,570,193,601.36
  5. Step 5: Solve for x
    x = 3,570,193,601.36/54,362.24
  6. Step 6: Final answer
    x = 65,674.14

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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.