Home / 30,000.16-41,400.54-16,571.77

Finding the Fourth Proportional to 30,000.16, 41,400.54 and 16,571.77

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Solution

The fourth proportional to 30,000.16, 41,400.54 and 16,571.77 is: 22,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.16 : 41,400.54 = 16,571.77 : x
  2. Step 2: Convert to fraction form
    30,000.16/41,400.54 = 16,571.77/x
  3. Step 3: Cross multiply
    30,000.16x = 41,400.54 × 16,571.77
  4. Step 4: Simplify right side
    30,000.16x = 686,080,226.76
  5. Step 5: Solve for x
    x = 686,080,226.76/30,000.16
  6. Step 6: Final answer
    x = 22,869.22

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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.