Home / 30,404.76-45,573.48-20,519.52

Finding the Fourth Proportional to 30,404.76, 45,573.48 and 20,519.52

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Solution

The fourth proportional to 30,404.76, 45,573.48 and 20,519.52 is: 30,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404.76 : 45,573.48 = 20,519.52 : x
  2. Step 2: Convert to fraction form
    30,404.76/45,573.48 = 20,519.52/x
  3. Step 3: Cross multiply
    30,404.76x = 45,573.48 × 20,519.52
  4. Step 4: Simplify right side
    30,404.76x = 935,145,934.33
  5. Step 5: Solve for x
    x = 935,145,934.33/30,404.76
  6. Step 6: Final answer
    x = 30,756.56

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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.