Home / 39,453.46-54,446.08-21,548.14

Finding the Fourth Proportional to 39,453.46, 54,446.08 and 21,548.14

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Solution

The fourth proportional to 39,453.46, 54,446.08 and 21,548.14 is: 29,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,453.46 : 54,446.08 = 21,548.14 : x
  2. Step 2: Convert to fraction form
    39,453.46/54,446.08 = 21,548.14/x
  3. Step 3: Cross multiply
    39,453.46x = 54,446.08 × 21,548.14
  4. Step 4: Simplify right side
    39,453.46x = 1,173,211,564.31
  5. Step 5: Solve for x
    x = 1,173,211,564.31/39,453.46
  6. Step 6: Final answer
    x = 29,736.60

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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.