Home / 30,067.80-45,101.76-10,346.58

Finding the Fourth Proportional to 30,067.80, 45,101.76 and 10,346.58

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Solution

The fourth proportional to 30,067.80, 45,101.76 and 10,346.58 is: 15,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.80 : 45,101.76 = 10,346.58 : x
  2. Step 2: Convert to fraction form
    30,067.80/45,101.76 = 10,346.58/x
  3. Step 3: Cross multiply
    30,067.80x = 45,101.76 × 10,346.58
  4. Step 4: Simplify right side
    30,067.80x = 466,648,967.98
  5. Step 5: Solve for x
    x = 466,648,967.98/30,067.80
  6. Step 6: Final answer
    x = 15,519.89

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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.