Home / 46,141.79-69,212.61-21,165.30

Finding the Fourth Proportional to 46,141.79, 69,212.61 and 21,165.30

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Solution

The fourth proportional to 46,141.79, 69,212.61 and 21,165.30 is: 31,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,141.79 : 69,212.61 = 21,165.30 : x
  2. Step 2: Convert to fraction form
    46,141.79/69,212.61 = 21,165.30/x
  3. Step 3: Cross multiply
    46,141.79x = 69,212.61 × 21,165.30
  4. Step 4: Simplify right side
    46,141.79x = 1,464,905,654.43
  5. Step 5: Solve for x
    x = 1,464,905,654.43/46,141.79
  6. Step 6: Final answer
    x = 31,747.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.