Home / 49,130.03-67,810.38-31,221.54

Finding the Fourth Proportional to 49,130.03, 67,810.38 and 31,221.54

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Solution

The fourth proportional to 49,130.03, 67,810.38 and 31,221.54 is: 43,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,130.03 : 67,810.38 = 31,221.54 : x
  2. Step 2: Convert to fraction form
    49,130.03/67,810.38 = 31,221.54/x
  3. Step 3: Cross multiply
    49,130.03x = 67,810.38 × 31,221.54
  4. Step 4: Simplify right side
    49,130.03x = 2,117,144,491.59
  5. Step 5: Solve for x
    x = 2,117,144,491.59/49,130.03
  6. Step 6: Final answer
    x = 43,092.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.