Home / 45,720.20-63,091.68-28,733.24

Finding the Fourth Proportional to 45,720.20, 63,091.68 and 28,733.24

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Solution

The fourth proportional to 45,720.20, 63,091.68 and 28,733.24 is: 39,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,720.20 : 63,091.68 = 28,733.24 : x
  2. Step 2: Convert to fraction form
    45,720.20/63,091.68 = 28,733.24/x
  3. Step 3: Cross multiply
    45,720.20x = 63,091.68 × 28,733.24
  4. Step 4: Simplify right side
    45,720.20x = 1,812,828,383.44
  5. Step 5: Solve for x
    x = 1,812,828,383.44/45,720.20
  6. Step 6: Final answer
    x = 39,650.49

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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.