Home / 39,468.46-54,467.88-21,564.58

Finding the Fourth Proportional to 39,468.46, 54,467.88 and 21,564.58

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Solution

The fourth proportional to 39,468.46, 54,467.88 and 21,564.58 is: 29,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.46 : 54,467.88 = 21,564.58 : x
  2. Step 2: Convert to fraction form
    39,468.46/54,467.88 = 21,564.58/x
  3. Step 3: Cross multiply
    39,468.46x = 54,467.88 × 21,564.58
  4. Step 4: Simplify right side
    39,468.46x = 1,174,576,955.69
  5. Step 5: Solve for x
    x = 1,174,576,955.69/39,468.46
  6. Step 6: Final answer
    x = 29,759.89

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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.