Home / 49,459.69-74,161.85-21,362.21

Finding the Fourth Proportional to 49,459.69, 74,161.85 and 21,362.21

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Solution

The fourth proportional to 49,459.69, 74,161.85 and 21,362.21 is: 32,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,459.69 : 74,161.85 = 21,362.21 : x
  2. Step 2: Convert to fraction form
    49,459.69/74,161.85 = 21,362.21/x
  3. Step 3: Cross multiply
    49,459.69x = 74,161.85 × 21,362.21
  4. Step 4: Simplify right side
    49,459.69x = 1,584,260,785.84
  5. Step 5: Solve for x
    x = 1,584,260,785.84/49,459.69
  6. Step 6: Final answer
    x = 32,031.35

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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.