Home / 51,327.22-70,829.48-28,665.86

Finding the Fourth Proportional to 51,327.22, 70,829.48 and 28,665.86

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Solution

The fourth proportional to 51,327.22, 70,829.48 and 28,665.86 is: 39,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,327.22 : 70,829.48 = 28,665.86 : x
  2. Step 2: Convert to fraction form
    51,327.22/70,829.48 = 28,665.86/x
  3. Step 3: Cross multiply
    51,327.22x = 70,829.48 × 28,665.86
  4. Step 4: Simplify right side
    51,327.22x = 2,030,387,957.55
  5. Step 5: Solve for x
    x = 2,030,387,957.55/51,327.22
  6. Step 6: Final answer
    x = 39,557.72

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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.