Home / 57,486.09-86,250.51-25,886.64

Finding the Fourth Proportional to 57,486.09, 86,250.51 and 25,886.64

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Solution

The fourth proportional to 57,486.09, 86,250.51 and 25,886.64 is: 38,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,486.09 : 86,250.51 = 25,886.64 : x
  2. Step 2: Convert to fraction form
    57,486.09/86,250.51 = 25,886.64/x
  3. Step 3: Cross multiply
    57,486.09x = 86,250.51 × 25,886.64
  4. Step 4: Simplify right side
    57,486.09x = 2,232,735,902.19
  5. Step 5: Solve for x
    x = 2,232,735,902.19/57,486.09
  6. Step 6: Final answer
    x = 38,839.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.