Home / 47,763.89-65,897.37-28,649.85

Finding the Fourth Proportional to 47,763.89, 65,897.37 and 28,649.85

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Solution

The fourth proportional to 47,763.89, 65,897.37 and 28,649.85 is: 39,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,763.89 : 65,897.37 = 28,649.85 : x
  2. Step 2: Convert to fraction form
    47,763.89/65,897.37 = 28,649.85/x
  3. Step 3: Cross multiply
    47,763.89x = 65,897.37 × 28,649.85
  4. Step 4: Simplify right side
    47,763.89x = 1,887,949,765.89
  5. Step 5: Solve for x
    x = 1,887,949,765.89/47,763.89
  6. Step 6: Final answer
    x = 39,526.72

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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.