Home / 51,449.31-71,004.33-28,790.39

Finding the Fourth Proportional to 51,449.31, 71,004.33 and 28,790.39

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Solution

The fourth proportional to 51,449.31, 71,004.33 and 28,790.39 is: 39,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,449.31 : 71,004.33 = 28,790.39 : x
  2. Step 2: Convert to fraction form
    51,449.31/71,004.33 = 28,790.39/x
  3. Step 3: Cross multiply
    51,449.31x = 71,004.33 × 28,790.39
  4. Step 4: Simplify right side
    51,449.31x = 2,044,242,529.90
  5. Step 5: Solve for x
    x = 2,044,242,529.90/51,449.31
  6. Step 6: Final answer
    x = 39,733.14

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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.