Home / 39,315.20-58,972.80-23,763.20

Finding the Fourth Proportional to 39,315.20, 58,972.80 and 23,763.20

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Solution

The fourth proportional to 39,315.20, 58,972.80 and 23,763.20 is: 35,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315.20 : 58,972.80 = 23,763.20 : x
  2. Step 2: Convert to fraction form
    39,315.20/58,972.80 = 23,763.20/x
  3. Step 3: Cross multiply
    39,315.20x = 58,972.80 × 23,763.20
  4. Step 4: Simplify right side
    39,315.20x = 1,401,382,440.96
  5. Step 5: Solve for x
    x = 1,401,382,440.96/39,315.20
  6. Step 6: Final answer
    x = 35,644.80

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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.