Home / 30,047.86-41,462.40-16,617.28

Finding the Fourth Proportional to 30,047.86, 41,462.40 and 16,617.28

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Solution

The fourth proportional to 30,047.86, 41,462.40 and 16,617.28 is: 22,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.86 : 41,462.40 = 16,617.28 : x
  2. Step 2: Convert to fraction form
    30,047.86/41,462.40 = 16,617.28/x
  3. Step 3: Cross multiply
    30,047.86x = 41,462.40 × 16,617.28
  4. Step 4: Simplify right side
    30,047.86x = 688,992,310.27
  5. Step 5: Solve for x
    x = 688,992,310.27/30,047.86
  6. Step 6: Final answer
    x = 22,929.83

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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.