Home / 30,051.85-41,471.17-16,622.86

Finding the Fourth Proportional to 30,051.85, 41,471.17 and 16,622.86

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Solution

The fourth proportional to 30,051.85, 41,471.17 and 16,622.86 is: 22,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.85 : 41,471.17 = 16,622.86 : x
  2. Step 2: Convert to fraction form
    30,051.85/41,471.17 = 16,622.86/x
  3. Step 3: Cross multiply
    30,051.85x = 41,471.17 × 16,622.86
  4. Step 4: Simplify right side
    30,051.85x = 689,369,307.71
  5. Step 5: Solve for x
    x = 689,369,307.71/30,051.85
  6. Step 6: Final answer
    x = 22,939.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.