Home / 57,971.52-86,962.75-18,519.26

Finding the Fourth Proportional to 57,971.52, 86,962.75 and 18,519.26

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Solution

The fourth proportional to 57,971.52, 86,962.75 and 18,519.26 is: 27,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971.52 : 86,962.75 = 18,519.26 : x
  2. Step 2: Convert to fraction form
    57,971.52/86,962.75 = 18,519.26/x
  3. Step 3: Cross multiply
    57,971.52x = 86,962.75 × 18,519.26
  4. Step 4: Simplify right side
    57,971.52x = 1,610,485,296.45
  5. Step 5: Solve for x
    x = 1,610,485,296.45/57,971.52
  6. Step 6: Final answer
    x = 27,780.63

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1.5x scale

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.