Home / 51,662.64-71,291.54-28,999.58

Finding the Fourth Proportional to 51,662.64, 71,291.54 and 28,999.58

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Solution

The fourth proportional to 51,662.64, 71,291.54 and 28,999.58 is: 40,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,662.64 : 71,291.54 = 28,999.58 : x
  2. Step 2: Convert to fraction form
    51,662.64/71,291.54 = 28,999.58/x
  3. Step 3: Cross multiply
    51,662.64x = 71,291.54 × 28,999.58
  4. Step 4: Simplify right side
    51,662.64x = 2,067,424,216.10
  5. Step 5: Solve for x
    x = 2,067,424,216.10/51,662.64
  6. Step 6: Final answer
    x = 40,017.78

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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.