Home / 29,612.70-40,861.58-19,016.68

Finding the Fourth Proportional to 29,612.70, 40,861.58 and 19,016.68

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Solution

The fourth proportional to 29,612.70, 40,861.58 and 19,016.68 is: 26,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,612.70 : 40,861.58 = 19,016.68 : x
  2. Step 2: Convert to fraction form
    29,612.70/40,861.58 = 19,016.68/x
  3. Step 3: Cross multiply
    29,612.70x = 40,861.58 × 19,016.68
  4. Step 4: Simplify right side
    29,612.70x = 777,051,638.70
  5. Step 5: Solve for x
    x = 777,051,638.70/29,612.70
  6. Step 6: Final answer
    x = 26,240.49

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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.