Home / 30,072.37-41,499.29-16,643.63

Finding the Fourth Proportional to 30,072.37, 41,499.29 and 16,643.63

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Solution

The fourth proportional to 30,072.37, 41,499.29 and 16,643.63 is: 22,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.37 : 41,499.29 = 16,643.63 : x
  2. Step 2: Convert to fraction form
    30,072.37/41,499.29 = 16,643.63/x
  3. Step 3: Cross multiply
    30,072.37x = 41,499.29 × 16,643.63
  4. Step 4: Simplify right side
    30,072.37x = 690,698,828.02
  5. Step 5: Solve for x
    x = 690,698,828.02/30,072.37
  6. Step 6: Final answer
    x = 22,967.89

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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.