Home / 31,125.44-46,649.28-20,002.52

Finding the Fourth Proportional to 31,125.44, 46,649.28 and 20,002.52

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Solution

The fourth proportional to 31,125.44, 46,649.28 and 20,002.52 is: 29,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.44 : 46,649.28 = 20,002.52 : x
  2. Step 2: Convert to fraction form
    31,125.44/46,649.28 = 20,002.52/x
  3. Step 3: Cross multiply
    31,125.44x = 46,649.28 × 20,002.52
  4. Step 4: Simplify right side
    31,125.44x = 933,103,156.19
  5. Step 5: Solve for x
    x = 933,103,156.19/31,125.44
  6. Step 6: Final answer
    x = 29,978.79

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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.