Home / 30,111.44-45,182.58-14,334.32

Finding the Fourth Proportional to 30,111.44, 45,182.58 and 14,334.32

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Solution

The fourth proportional to 30,111.44, 45,182.58 and 14,334.32 is: 21,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.44 : 45,182.58 = 14,334.32 : x
  2. Step 2: Convert to fraction form
    30,111.44/45,182.58 = 14,334.32/x
  3. Step 3: Cross multiply
    30,111.44x = 45,182.58 × 14,334.32
  4. Step 4: Simplify right side
    30,111.44x = 647,661,560.15
  5. Step 5: Solve for x
    x = 647,661,560.15/30,111.44
  6. Step 6: Final answer
    x = 21,508.82

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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.