Home / 55,941.60-83,926.86-20,881.56

Finding the Fourth Proportional to 55,941.60, 83,926.86 and 20,881.56

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Solution

The fourth proportional to 55,941.60, 83,926.86 and 20,881.56 is: 31,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,941.60 : 83,926.86 = 20,881.56 : x
  2. Step 2: Convert to fraction form
    55,941.60/83,926.86 = 20,881.56/x
  3. Step 3: Cross multiply
    55,941.60x = 83,926.86 × 20,881.56
  4. Step 4: Simplify right side
    55,941.60x = 1,752,523,762.70
  5. Step 5: Solve for x
    x = 1,752,523,762.70/55,941.60
  6. Step 6: Final answer
    x = 31,327.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.