Home / 51,830.48-71,525.27-28,860.15

Finding the Fourth Proportional to 51,830.48, 71,525.27 and 28,860.15

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Solution

The fourth proportional to 51,830.48, 71,525.27 and 28,860.15 is: 39,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,830.48 : 71,525.27 = 28,860.15 : x
  2. Step 2: Convert to fraction form
    51,830.48/71,525.27 = 28,860.15/x
  3. Step 3: Cross multiply
    51,830.48x = 71,525.27 × 28,860.15
  4. Step 4: Simplify right side
    51,830.48x = 2,064,229,591.21
  5. Step 5: Solve for x
    x = 2,064,229,591.21/51,830.48
  6. Step 6: Final answer
    x = 39,826.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.