Home / 55,650.74-83,478.58-18,212.98

Finding the Fourth Proportional to 55,650.74, 83,478.58 and 18,212.98

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Solution

The fourth proportional to 55,650.74, 83,478.58 and 18,212.98 is: 27,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,650.74 : 83,478.58 = 18,212.98 : x
  2. Step 2: Convert to fraction form
    55,650.74/83,478.58 = 18,212.98/x
  3. Step 3: Cross multiply
    55,650.74x = 83,478.58 × 18,212.98
  4. Step 4: Simplify right side
    55,650.74x = 1,520,393,707.97
  5. Step 5: Solve for x
    x = 1,520,393,707.97/55,650.74
  6. Step 6: Final answer
    x = 27,320.28

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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.