Home / 51,208.20-76,860.90-31,525.20

Finding the Fourth Proportional to 51,208.20, 76,860.90 and 31,525.20

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Solution

The fourth proportional to 51,208.20, 76,860.90 and 31,525.20 is: 47,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,208.20 : 76,860.90 = 31,525.20 : x
  2. Step 2: Convert to fraction form
    51,208.20/76,860.90 = 31,525.20/x
  3. Step 3: Cross multiply
    51,208.20x = 76,860.90 × 31,525.20
  4. Step 4: Simplify right side
    51,208.20x = 2,423,055,244.68
  5. Step 5: Solve for x
    x = 2,423,055,244.68/51,208.20
  6. Step 6: Final answer
    x = 47,317.72

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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.