Home / 55,491.06-83,234.39-30,580.50

Finding the Fourth Proportional to 55,491.06, 83,234.39 and 30,580.50

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Solution

The fourth proportional to 55,491.06, 83,234.39 and 30,580.50 is: 45,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491.06 : 83,234.39 = 30,580.50 : x
  2. Step 2: Convert to fraction form
    55,491.06/83,234.39 = 30,580.50/x
  3. Step 3: Cross multiply
    55,491.06x = 83,234.39 × 30,580.50
  4. Step 4: Simplify right side
    55,491.06x = 2,545,349,110.49
  5. Step 5: Solve for x
    x = 2,545,349,110.49/55,491.06
  6. Step 6: Final answer
    x = 45,869.53

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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.