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Finding the Fourth Proportional to 55,461.58, 76,536.97 and 30,311.08

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Solution

The fourth proportional to 55,461.58, 76,536.97 and 30,311.08 is: 41,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.58 : 76,536.97 = 30,311.08 : x
  2. Step 2: Convert to fraction form
    55,461.58/76,536.97 = 30,311.08/x
  3. Step 3: Cross multiply
    55,461.58x = 76,536.97 × 30,311.08
  4. Step 4: Simplify right side
    55,461.58x = 2,319,918,220.63
  5. Step 5: Solve for x
    x = 2,319,918,220.63/55,461.58
  6. Step 6: Final answer
    x = 41,829.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.