Home / 51,048.87-76,581.48-17,778.39

Finding the Fourth Proportional to 51,048.87, 76,581.48 and 17,778.39

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Solution

The fourth proportional to 51,048.87, 76,581.48 and 17,778.39 is: 26,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,048.87 : 76,581.48 = 17,778.39 : x
  2. Step 2: Convert to fraction form
    51,048.87/76,581.48 = 17,778.39/x
  3. Step 3: Cross multiply
    51,048.87x = 76,581.48 × 17,778.39
  4. Step 4: Simplify right side
    51,048.87x = 1,361,495,197.71
  5. Step 5: Solve for x
    x = 1,361,495,197.71/51,048.87
  6. Step 6: Final answer
    x = 26,670.43

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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.