Home / 40,828.36-61,242.54-11,246.49

Finding the Fourth Proportional to 40,828.36, 61,242.54 and 11,246.49

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Solution

The fourth proportional to 40,828.36, 61,242.54 and 11,246.49 is: 16,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.36 : 61,242.54 = 11,246.49 : x
  2. Step 2: Convert to fraction form
    40,828.36/61,242.54 = 11,246.49/x
  3. Step 3: Cross multiply
    40,828.36x = 61,242.54 × 11,246.49
  4. Step 4: Simplify right side
    40,828.36x = 688,763,613.68
  5. Step 5: Solve for x
    x = 688,763,613.68/40,828.36
  6. Step 6: Final answer
    x = 16,869.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.