Home / 39,464.37-54,460.15-21,558.92

Finding the Fourth Proportional to 39,464.37, 54,460.15 and 21,558.92

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Solution

The fourth proportional to 39,464.37, 54,460.15 and 21,558.92 is: 29,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,464.37 : 54,460.15 = 21,558.92 : x
  2. Step 2: Convert to fraction form
    39,464.37/54,460.15 = 21,558.92/x
  3. Step 3: Cross multiply
    39,464.37x = 54,460.15 × 21,558.92
  4. Step 4: Simplify right side
    39,464.37x = 1,174,101,690.84
  5. Step 5: Solve for x
    x = 1,174,101,690.84/39,464.37
  6. Step 6: Final answer
    x = 29,750.93

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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.