Home / 39,890.80-55,010.94-26,254.48

Finding the Fourth Proportional to 39,890.80, 55,010.94 and 26,254.48

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Solution

The fourth proportional to 39,890.80, 55,010.94 and 26,254.48 is: 36,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,890.80 : 55,010.94 = 26,254.48 : x
  2. Step 2: Convert to fraction form
    39,890.80/55,010.94 = 26,254.48/x
  3. Step 3: Cross multiply
    39,890.80x = 55,010.94 × 26,254.48
  4. Step 4: Simplify right side
    39,890.80x = 1,444,283,624.01
  5. Step 5: Solve for x
    x = 1,444,283,624.01/39,890.80
  6. Step 6: Final answer
    x = 36,205.93

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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.