Home / 39,207.40-58,811-17,017.90

Finding the Fourth Proportional to 39,207.40, 58,811 and 17,017.90

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Solution

The fourth proportional to 39,207.40, 58,811 and 17,017.90 is: 25,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,207.40 : 58,811 = 17,017.90 : x
  2. Step 2: Convert to fraction form
    39,207.40/58,811 = 17,017.90/x
  3. Step 3: Cross multiply
    39,207.40x = 58,811 × 17,017.90
  4. Step 4: Simplify right side
    39,207.40x = 1,000,839,716.90
  5. Step 5: Solve for x
    x = 1,000,839,716.90/39,207.40
  6. Step 6: Final answer
    x = 25,526.81

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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.