Home / 71,748.54-107,556.40-31,746.32

Finding the Fourth Proportional to 71,748.54, 107,556.40 and 31,746.32

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Solution

The fourth proportional to 71,748.54, 107,556.40 and 31,746.32 is: 47,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,748.54 : 107,556.40 = 31,746.32 : x
  2. Step 2: Convert to fraction form
    71,748.54/107,556.40 = 31,746.32/x
  3. Step 3: Cross multiply
    71,748.54x = 107,556.40 × 31,746.32
  4. Step 4: Simplify right side
    71,748.54x = 3,414,519,892.45
  5. Step 5: Solve for x
    x = 3,414,519,892.45/71,748.54
  6. Step 6: Final answer
    x = 47,590.10

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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.