Home / 39,569.83-54,606.42-21,664.96

Finding the Fourth Proportional to 39,569.83, 54,606.42 and 21,664.96

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Solution

The fourth proportional to 39,569.83, 54,606.42 and 21,664.96 is: 29,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,569.83 : 54,606.42 = 21,664.96 : x
  2. Step 2: Convert to fraction form
    39,569.83/54,606.42 = 21,664.96/x
  3. Step 3: Cross multiply
    39,569.83x = 54,606.42 × 21,664.96
  4. Step 4: Simplify right side
    39,569.83x = 1,183,045,905.04
  5. Step 5: Solve for x
    x = 1,183,045,905.04/39,569.83
  6. Step 6: Final answer
    x = 29,897.67

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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.