Home / 39,935.60-55,144.29-35,679.15

Finding the Fourth Proportional to 39,935.60, 55,144.29 and 35,679.15

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Solution

The fourth proportional to 39,935.60, 55,144.29 and 35,679.15 is: 49,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.60 : 55,144.29 = 35,679.15 : x
  2. Step 2: Convert to fraction form
    39,935.60/55,144.29 = 35,679.15/x
  3. Step 3: Cross multiply
    39,935.60x = 55,144.29 × 35,679.15
  4. Step 4: Simplify right side
    39,935.60x = 1,967,501,528.35
  5. Step 5: Solve for x
    x = 1,967,501,528.35/39,935.60
  6. Step 6: Final answer
    x = 49,266.86

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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.