Home / 52,020.48-78,108.48-30,996.12

Finding the Fourth Proportional to 52,020.48, 78,108.48 and 30,996.12

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Solution

The fourth proportional to 52,020.48, 78,108.48 and 30,996.12 is: 46,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.48 : 78,108.48 = 30,996.12 : x
  2. Step 2: Convert to fraction form
    52,020.48/78,108.48 = 30,996.12/x
  3. Step 3: Cross multiply
    52,020.48x = 78,108.48 × 30,996.12
  4. Step 4: Simplify right side
    52,020.48x = 2,421,059,819.10
  5. Step 5: Solve for x
    x = 2,421,059,819.10/52,020.48
  6. Step 6: Final answer
    x = 46,540.51

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1.5x scale

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.