Home / 30,039.21-41,451.48-16,610.40

Finding the Fourth Proportional to 30,039.21, 41,451.48 and 16,610.40

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Solution

The fourth proportional to 30,039.21, 41,451.48 and 16,610.40 is: 22,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.21 : 41,451.48 = 16,610.40 : x
  2. Step 2: Convert to fraction form
    30,039.21/41,451.48 = 16,610.40/x
  3. Step 3: Cross multiply
    30,039.21x = 41,451.48 × 16,610.40
  4. Step 4: Simplify right side
    30,039.21x = 688,525,663.39
  5. Step 5: Solve for x
    x = 688,525,663.39/30,039.21
  6. Step 6: Final answer
    x = 22,920.90

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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.