Home / 51,609.10-71,228.54-28,957.25

Finding the Fourth Proportional to 51,609.10, 71,228.54 and 28,957.25

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Solution

The fourth proportional to 51,609.10, 71,228.54 and 28,957.25 is: 39,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,609.10 : 71,228.54 = 28,957.25 : x
  2. Step 2: Convert to fraction form
    51,609.10/71,228.54 = 28,957.25/x
  3. Step 3: Cross multiply
    51,609.10x = 71,228.54 × 28,957.25
  4. Step 4: Simplify right side
    51,609.10x = 2,062,582,408.28
  5. Step 5: Solve for x
    x = 2,062,582,408.28/51,609.10
  6. Step 6: Final answer
    x = 39,965.48

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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.