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Finding the Fourth Proportional to 71,555.63, 107,333.44 and 22,307.63

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Solution

The fourth proportional to 71,555.63, 107,333.44 and 22,307.63 is: 33,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,555.63 : 107,333.44 = 22,307.63 : x
  2. Step 2: Convert to fraction form
    71,555.63/107,333.44 = 22,307.63/x
  3. Step 3: Cross multiply
    71,555.63x = 107,333.44 × 22,307.63
  4. Step 4: Simplify right side
    71,555.63x = 2,394,354,073.71
  5. Step 5: Solve for x
    x = 2,394,354,073.71/71,555.63
  6. Step 6: Final answer
    x = 33,461.44

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1.5x scale

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.