Home / 39,371.96-54,332.52-21,467.06

Finding the Fourth Proportional to 39,371.96, 54,332.52 and 21,467.06

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Solution

The fourth proportional to 39,371.96, 54,332.52 and 21,467.06 is: 29,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371.96 : 54,332.52 = 21,467.06 : x
  2. Step 2: Convert to fraction form
    39,371.96/54,332.52 = 21,467.06/x
  3. Step 3: Cross multiply
    39,371.96x = 54,332.52 × 21,467.06
  4. Step 4: Simplify right side
    39,371.96x = 1,166,359,466.79
  5. Step 5: Solve for x
    x = 1,166,359,466.79/39,371.96
  6. Step 6: Final answer
    x = 29,624.11

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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.