Home / 51,492.45-71,055.77-28,826.22

Finding the Fourth Proportional to 51,492.45, 71,055.77 and 28,826.22

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Solution

The fourth proportional to 51,492.45, 71,055.77 and 28,826.22 is: 39,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,492.45 : 71,055.77 = 28,826.22 : x
  2. Step 2: Convert to fraction form
    51,492.45/71,055.77 = 28,826.22/x
  3. Step 3: Cross multiply
    51,492.45x = 71,055.77 × 28,826.22
  4. Step 4: Simplify right side
    51,492.45x = 2,048,269,258.29
  5. Step 5: Solve for x
    x = 2,048,269,258.29/51,492.45
  6. Step 6: Final answer
    x = 39,778.05

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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.