Home / 30,067.00-45,111.43-14,276.86

Finding the Fourth Proportional to 30,067.00, 45,111.43 and 14,276.86

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Solution

The fourth proportional to 30,067.00, 45,111.43 and 14,276.86 is: 21,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.00 : 45,111.43 = 14,276.86 : x
  2. Step 2: Convert to fraction form
    30,067.00/45,111.43 = 14,276.86/x
  3. Step 3: Cross multiply
    30,067.00x = 45,111.43 × 14,276.86
  4. Step 4: Simplify right side
    30,067.00x = 644,049,475.58
  5. Step 5: Solve for x
    x = 644,049,475.58/30,067.00
  6. Step 6: Final answer
    x = 21,420.48

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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.