Home / 51,558.82-71,157.06-28,903.92

Finding the Fourth Proportional to 51,558.82, 71,157.06 and 28,903.92

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Solution

The fourth proportional to 51,558.82, 71,157.06 and 28,903.92 is: 39,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,558.82 : 71,157.06 = 28,903.92 : x
  2. Step 2: Convert to fraction form
    51,558.82/71,157.06 = 28,903.92/x
  3. Step 3: Cross multiply
    51,558.82x = 71,157.06 × 28,903.92
  4. Step 4: Simplify right side
    51,558.82x = 2,056,717,969.68
  5. Step 5: Solve for x
    x = 2,056,717,969.68/51,558.82
  6. Step 6: Final answer
    x = 39,890.71

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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.