Home / 39,877.16-55,034.37-29,788.09

Finding the Fourth Proportional to 39,877.16, 55,034.37 and 29,788.09

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Solution

The fourth proportional to 39,877.16, 55,034.37 and 29,788.09 is: 41,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.16 : 55,034.37 = 29,788.09 : x
  2. Step 2: Convert to fraction form
    39,877.16/55,034.37 = 29,788.09/x
  3. Step 3: Cross multiply
    39,877.16x = 55,034.37 × 29,788.09
  4. Step 4: Simplify right side
    39,877.16x = 1,639,368,611.63
  5. Step 5: Solve for x
    x = 1,639,368,611.63/39,877.16
  6. Step 6: Final answer
    x = 41,110.46

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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.