Home / 39,279.60-58,995-33,670.08

Finding the Fourth Proportional to 39,279.60, 58,995 and 33,670.08

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Solution

The fourth proportional to 39,279.60, 58,995 and 33,670.08 is: 50,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279.60 : 58,995 = 33,670.08 : x
  2. Step 2: Convert to fraction form
    39,279.60/58,995 = 33,670.08/x
  3. Step 3: Cross multiply
    39,279.60x = 58,995 × 33,670.08
  4. Step 4: Simplify right side
    39,279.60x = 1,986,366,369.60
  5. Step 5: Solve for x
    x = 1,986,366,369.60/39,279.60
  6. Step 6: Final answer
    x = 50,569.92

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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.