Home / 53,684.32-74,086.83-29,811.09

Finding the Fourth Proportional to 53,684.32, 74,086.83 and 29,811.09

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Solution

The fourth proportional to 53,684.32, 74,086.83 and 29,811.09 is: 41,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,684.32 : 74,086.83 = 29,811.09 : x
  2. Step 2: Convert to fraction form
    53,684.32/74,086.83 = 29,811.09/x
  3. Step 3: Cross multiply
    53,684.32x = 74,086.83 × 29,811.09
  4. Step 4: Simplify right side
    53,684.32x = 2,208,608,934.19
  5. Step 5: Solve for x
    x = 2,208,608,934.19/53,684.32
  6. Step 6: Final answer
    x = 41,140.67

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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.