Home / 39,541.92-54,567.86-21,636.93

Finding the Fourth Proportional to 39,541.92, 54,567.86 and 21,636.93

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Solution

The fourth proportional to 39,541.92, 54,567.86 and 21,636.93 is: 29,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541.92 : 54,567.86 = 21,636.93 : x
  2. Step 2: Convert to fraction form
    39,541.92/54,567.86 = 21,636.93/x
  3. Step 3: Cross multiply
    39,541.92x = 54,567.86 × 21,636.93
  4. Step 4: Simplify right side
    39,541.92x = 1,180,680,858.89
  5. Step 5: Solve for x
    x = 1,180,680,858.89/39,541.92
  6. Step 6: Final answer
    x = 29,858.97

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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.