Home / 52,580.96-78,469-46,971.30

Finding the Fourth Proportional to 52,580.96, 78,469 and 46,971.30

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Solution

The fourth proportional to 52,580.96, 78,469 and 46,971.30 is: 70,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,580.96 : 78,469 = 46,971.30 : x
  2. Step 2: Convert to fraction form
    52,580.96/78,469 = 46,971.30/x
  3. Step 3: Cross multiply
    52,580.96x = 78,469 × 46,971.30
  4. Step 4: Simplify right side
    52,580.96x = 3,685,790,939.70
  5. Step 5: Solve for x
    x = 3,685,790,939.70/52,580.96
  6. Step 6: Final answer
    x = 70,097.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.