Home / 39,191.80-58,802.28-18,142.08

Finding the Fourth Proportional to 39,191.80, 58,802.28 and 18,142.08

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Solution

The fourth proportional to 39,191.80, 58,802.28 and 18,142.08 is: 27,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.80 : 58,802.28 = 18,142.08 : x
  2. Step 2: Convert to fraction form
    39,191.80/58,802.28 = 18,142.08/x
  3. Step 3: Cross multiply
    39,191.80x = 58,802.28 × 18,142.08
  4. Step 4: Simplify right side
    39,191.80x = 1,066,795,667.94
  5. Step 5: Solve for x
    x = 1,066,795,667.94/39,191.80
  6. Step 6: Final answer
    x = 27,219.87

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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.