Home / 39,519.82-58,771.46-38,274.04

Finding the Fourth Proportional to 39,519.82, 58,771.46 and 38,274.04

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Solution

The fourth proportional to 39,519.82, 58,771.46 and 38,274.04 is: 56,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519.82 : 58,771.46 = 38,274.04 : x
  2. Step 2: Convert to fraction form
    39,519.82/58,771.46 = 38,274.04/x
  3. Step 3: Cross multiply
    39,519.82x = 58,771.46 × 38,274.04
  4. Step 4: Simplify right side
    39,519.82x = 2,249,421,210.90
  5. Step 5: Solve for x
    x = 2,249,421,210.90/39,519.82
  6. Step 6: Final answer
    x = 56,918.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.