Home / 71,533.35-107,302.08-18,942.89

Finding the Fourth Proportional to 71,533.35, 107,302.08 and 18,942.89

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Solution

The fourth proportional to 71,533.35, 107,302.08 and 18,942.89 is: 28,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,533.35 : 107,302.08 = 18,942.89 : x
  2. Step 2: Convert to fraction form
    71,533.35/107,302.08 = 18,942.89/x
  3. Step 3: Cross multiply
    71,533.35x = 107,302.08 × 18,942.89
  4. Step 4: Simplify right side
    71,533.35x = 2,032,610,961.70
  5. Step 5: Solve for x
    x = 2,032,610,961.70/71,533.35
  6. Step 6: Final answer
    x = 28,414.87

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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.