Home / 47,719.40-71,556.60-17,712.84

Finding the Fourth Proportional to 47,719.40, 71,556.60 and 17,712.84

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Solution

The fourth proportional to 47,719.40, 71,556.60 and 17,712.84 is: 26,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,719.40 : 71,556.60 = 17,712.84 : x
  2. Step 2: Convert to fraction form
    47,719.40/71,556.60 = 17,712.84/x
  3. Step 3: Cross multiply
    47,719.40x = 71,556.60 × 17,712.84
  4. Step 4: Simplify right side
    47,719.40x = 1,267,470,606.74
  5. Step 5: Solve for x
    x = 1,267,470,606.74/47,719.40
  6. Step 6: Final answer
    x = 26,560.91

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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.