Home / 39,474.45-54,474.66-21,569.58

Finding the Fourth Proportional to 39,474.45, 54,474.66 and 21,569.58

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Solution

The fourth proportional to 39,474.45, 54,474.66 and 21,569.58 is: 29,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.45 : 54,474.66 = 21,569.58 : x
  2. Step 2: Convert to fraction form
    39,474.45/54,474.66 = 21,569.58/x
  3. Step 3: Cross multiply
    39,474.45x = 54,474.66 × 21,569.58
  4. Step 4: Simplify right side
    39,474.45x = 1,174,995,536.84
  5. Step 5: Solve for x
    x = 1,174,995,536.84/39,474.45
  6. Step 6: Final answer
    x = 29,765.98

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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.