Home / 39,108.27-53,955.27-25,686.80

Finding the Fourth Proportional to 39,108.27, 53,955.27 and 25,686.80

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Solution

The fourth proportional to 39,108.27, 53,955.27 and 25,686.80 is: 35,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.27 : 53,955.27 = 25,686.80 : x
  2. Step 2: Convert to fraction form
    39,108.27/53,955.27 = 25,686.80/x
  3. Step 3: Cross multiply
    39,108.27x = 53,955.27 × 25,686.80
  4. Step 4: Simplify right side
    39,108.27x = 1,385,938,229.44
  5. Step 5: Solve for x
    x = 1,385,938,229.44/39,108.27
  6. Step 6: Final answer
    x = 35,438.49

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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.