Home / 30,892.23-42,630.14-16,744.77

Finding the Fourth Proportional to 30,892.23, 42,630.14 and 16,744.77

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Solution

The fourth proportional to 30,892.23, 42,630.14 and 16,744.77 is: 23,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.23 : 42,630.14 = 16,744.77 : x
  2. Step 2: Convert to fraction form
    30,892.23/42,630.14 = 16,744.77/x
  3. Step 3: Cross multiply
    30,892.23x = 42,630.14 × 16,744.77
  4. Step 4: Simplify right side
    30,892.23x = 713,831,954.08
  5. Step 5: Solve for x
    x = 713,831,954.08/30,892.23
  6. Step 6: Final answer
    x = 23,107.17

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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.