Home / 38,720.84-53,451.07-26,162.60

Finding the Fourth Proportional to 38,720.84, 53,451.07 and 26,162.60

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Solution

The fourth proportional to 38,720.84, 53,451.07 and 26,162.60 is: 36,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720.84 : 53,451.07 = 26,162.60 : x
  2. Step 2: Convert to fraction form
    38,720.84/53,451.07 = 26,162.60/x
  3. Step 3: Cross multiply
    38,720.84x = 53,451.07 × 26,162.60
  4. Step 4: Simplify right side
    38,720.84x = 1,398,418,963.98
  5. Step 5: Solve for x
    x = 1,398,418,963.98/38,720.84
  6. Step 6: Final answer
    x = 36,115.41

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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.