Home / 30,314.05-41,834.66-16,885.28

Finding the Fourth Proportional to 30,314.05, 41,834.66 and 16,885.28

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Solution

The fourth proportional to 30,314.05, 41,834.66 and 16,885.28 is: 23,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,314.05 : 41,834.66 = 16,885.28 : x
  2. Step 2: Convert to fraction form
    30,314.05/41,834.66 = 16,885.28/x
  3. Step 3: Cross multiply
    30,314.05x = 41,834.66 × 16,885.28
  4. Step 4: Simplify right side
    30,314.05x = 706,389,967.97
  5. Step 5: Solve for x
    x = 706,389,967.97/30,314.05
  6. Step 6: Final answer
    x = 23,302.40

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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.