Home / 39,176.66-54,063.86-21,271.41

Finding the Fourth Proportional to 39,176.66, 54,063.86 and 21,271.41

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Solution

The fourth proportional to 39,176.66, 54,063.86 and 21,271.41 is: 29,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,176.66 : 54,063.86 = 21,271.41 : x
  2. Step 2: Convert to fraction form
    39,176.66/54,063.86 = 21,271.41/x
  3. Step 3: Cross multiply
    39,176.66x = 54,063.86 × 21,271.41
  4. Step 4: Simplify right side
    39,176.66x = 1,150,014,425.89
  5. Step 5: Solve for x
    x = 1,150,014,425.89/39,176.66
  6. Step 6: Final answer
    x = 29,354.58

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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.