Home / 53,176.21-73,383.30-28,977.36

Finding the Fourth Proportional to 53,176.21, 73,383.30 and 28,977.36

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Solution

The fourth proportional to 53,176.21, 73,383.30 and 28,977.36 is: 39,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.21 : 73,383.30 = 28,977.36 : x
  2. Step 2: Convert to fraction form
    53,176.21/73,383.30 = 28,977.36/x
  3. Step 3: Cross multiply
    53,176.21x = 73,383.30 × 28,977.36
  4. Step 4: Simplify right side
    53,176.21x = 2,126,454,026.90
  5. Step 5: Solve for x
    x = 2,126,454,026.90/53,176.21
  6. Step 6: Final answer
    x = 39,988.82

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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.