Home / 39,689.13-54,773.46-26,237.07

Finding the Fourth Proportional to 39,689.13, 54,773.46 and 26,237.07

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Solution

The fourth proportional to 39,689.13, 54,773.46 and 26,237.07 is: 36,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,689.13 : 54,773.46 = 26,237.07 : x
  2. Step 2: Convert to fraction form
    39,689.13/54,773.46 = 26,237.07/x
  3. Step 3: Cross multiply
    39,689.13x = 54,773.46 × 26,237.07
  4. Step 4: Simplify right side
    39,689.13x = 1,437,095,104.16
  5. Step 5: Solve for x
    x = 1,437,095,104.16/39,689.13
  6. Step 6: Final answer
    x = 36,208.78

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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.