Home / 39,876.57-59,716.37-29,720.59

Finding the Fourth Proportional to 39,876.57, 59,716.37 and 29,720.59

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Solution

The fourth proportional to 39,876.57, 59,716.37 and 29,720.59 is: 44,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.57 : 59,716.37 = 29,720.59 : x
  2. Step 2: Convert to fraction form
    39,876.57/59,716.37 = 29,720.59/x
  3. Step 3: Cross multiply
    39,876.57x = 59,716.37 × 29,720.59
  4. Step 4: Simplify right side
    39,876.57x = 1,774,805,749.06
  5. Step 5: Solve for x
    x = 1,774,805,749.06/39,876.57
  6. Step 6: Final answer
    x = 44,507.48

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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.