Home / 75,556.76-113,332.80-19,394.60

Finding the Fourth Proportional to 75,556.76, 113,332.80 and 19,394.60

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Solution

The fourth proportional to 75,556.76, 113,332.80 and 19,394.60 is: 29,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,556.76 : 113,332.80 = 19,394.60 : x
  2. Step 2: Convert to fraction form
    75,556.76/113,332.80 = 19,394.60/x
  3. Step 3: Cross multiply
    75,556.76x = 113,332.80 × 19,394.60
  4. Step 4: Simplify right side
    75,556.76x = 2,198,044,322.88
  5. Step 5: Solve for x
    x = 2,198,044,322.88/75,556.76
  6. Step 6: Final answer
    x = 29,091.30

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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.