Home / 57,291.35-79,060.87-31,796.23

Finding the Fourth Proportional to 57,291.35, 79,060.87 and 31,796.23

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Solution

The fourth proportional to 57,291.35, 79,060.87 and 31,796.23 is: 43,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.35 : 79,060.87 = 31,796.23 : x
  2. Step 2: Convert to fraction form
    57,291.35/79,060.87 = 31,796.23/x
  3. Step 3: Cross multiply
    57,291.35x = 79,060.87 × 31,796.23
  4. Step 4: Simplify right side
    57,291.35x = 2,513,837,606.52
  5. Step 5: Solve for x
    x = 2,513,837,606.52/57,291.35
  6. Step 6: Final answer
    x = 43,878.14

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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.