Home / 36,159.69-49,907.28-21,054.67

Finding the Fourth Proportional to 36,159.69, 49,907.28 and 21,054.67

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Solution

The fourth proportional to 36,159.69, 49,907.28 and 21,054.67 is: 29,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,159.69 : 49,907.28 = 21,054.67 : x
  2. Step 2: Convert to fraction form
    36,159.69/49,907.28 = 21,054.67/x
  3. Step 3: Cross multiply
    36,159.69x = 49,907.28 × 21,054.67
  4. Step 4: Simplify right side
    36,159.69x = 1,050,781,311.00
  5. Step 5: Solve for x
    x = 1,050,781,311.00/36,159.69
  6. Step 6: Final answer
    x = 29,059.47

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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.