Home / 47,020.92-70,486.38-17,430.80

Finding the Fourth Proportional to 47,020.92, 70,486.38 and 17,430.80

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Solution

The fourth proportional to 47,020.92, 70,486.38 and 17,430.80 is: 26,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.92 : 70,486.38 = 17,430.80 : x
  2. Step 2: Convert to fraction form
    47,020.92/70,486.38 = 17,430.80/x
  3. Step 3: Cross multiply
    47,020.92x = 70,486.38 × 17,430.80
  4. Step 4: Simplify right side
    47,020.92x = 1,228,633,992.50
  5. Step 5: Solve for x
    x = 1,228,633,992.50/47,020.92
  6. Step 6: Final answer
    x = 26,129.52

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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.