Home / 51,512.47-71,083.58-28,847.59

Finding the Fourth Proportional to 51,512.47, 71,083.58 and 28,847.59

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Solution

The fourth proportional to 51,512.47, 71,083.58 and 28,847.59 is: 39,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,512.47 : 71,083.58 = 28,847.59 : x
  2. Step 2: Convert to fraction form
    51,512.47/71,083.58 = 28,847.59/x
  3. Step 3: Cross multiply
    51,512.47x = 71,083.58 × 28,847.59
  4. Step 4: Simplify right side
    51,512.47x = 2,050,589,649.63
  5. Step 5: Solve for x
    x = 2,050,589,649.63/51,512.47
  6. Step 6: Final answer
    x = 39,807.64

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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.