Home / 39,488.46-54,495.54-21,584.67

Finding the Fourth Proportional to 39,488.46, 54,495.54 and 21,584.67

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Solution

The fourth proportional to 39,488.46, 54,495.54 and 21,584.67 is: 29,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.46 : 54,495.54 = 21,584.67 : x
  2. Step 2: Convert to fraction form
    39,488.46/54,495.54 = 21,584.67/x
  3. Step 3: Cross multiply
    39,488.46x = 54,495.54 × 21,584.67
  4. Step 4: Simplify right side
    39,488.46x = 1,176,268,247.37
  5. Step 5: Solve for x
    x = 1,176,268,247.37/39,488.46
  6. Step 6: Final answer
    x = 29,787.65

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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.