Home / 30,067.79-45,062.63-12,277.62

Finding the Fourth Proportional to 30,067.79, 45,062.63 and 12,277.62

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Solution

The fourth proportional to 30,067.79, 45,062.63 and 12,277.62 is: 18,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.79 : 45,062.63 = 12,277.62 : x
  2. Step 2: Convert to fraction form
    30,067.79/45,062.63 = 12,277.62/x
  3. Step 3: Cross multiply
    30,067.79x = 45,062.63 × 12,277.62
  4. Step 4: Simplify right side
    30,067.79x = 553,261,785.95
  5. Step 5: Solve for x
    x = 553,261,785.95/30,067.79
  6. Step 6: Final answer
    x = 18,400.48

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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.