Home / 30,412.23-41,968.79-16,983.49

Finding the Fourth Proportional to 30,412.23, 41,968.79 and 16,983.49

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Solution

The fourth proportional to 30,412.23, 41,968.79 and 16,983.49 is: 23,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.23 : 41,968.79 = 16,983.49 : x
  2. Step 2: Convert to fraction form
    30,412.23/41,968.79 = 16,983.49/x
  3. Step 3: Cross multiply
    30,412.23x = 41,968.79 × 16,983.49
  4. Step 4: Simplify right side
    30,412.23x = 712,776,525.28
  5. Step 5: Solve for x
    x = 712,776,525.28/30,412.23
  6. Step 6: Final answer
    x = 23,437.17

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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.