Home / 30,861.84-42,589.39-16,714.68

Finding the Fourth Proportional to 30,861.84, 42,589.39 and 16,714.68

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Solution

The fourth proportional to 30,861.84, 42,589.39 and 16,714.68 is: 23,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,861.84 : 42,589.39 = 16,714.68 : x
  2. Step 2: Convert to fraction form
    30,861.84/42,589.39 = 16,714.68/x
  3. Step 3: Cross multiply
    30,861.84x = 42,589.39 × 16,714.68
  4. Step 4: Simplify right side
    30,861.84x = 711,868,237.19
  5. Step 5: Solve for x
    x = 711,868,237.19/30,861.84
  6. Step 6: Final answer
    x = 23,066.30

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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.