Home / 30,450.83-45,689.60-14,451.92

Finding the Fourth Proportional to 30,450.83, 45,689.60 and 14,451.92

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Solution

The fourth proportional to 30,450.83, 45,689.60 and 14,451.92 is: 21,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450.83 : 45,689.60 = 14,451.92 : x
  2. Step 2: Convert to fraction form
    30,450.83/45,689.60 = 14,451.92/x
  3. Step 3: Cross multiply
    30,450.83x = 45,689.60 × 14,451.92
  4. Step 4: Simplify right side
    30,450.83x = 660,302,490.58
  5. Step 5: Solve for x
    x = 660,302,490.58/30,450.83
  6. Step 6: Final answer
    x = 21,684.22

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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.