Home / 49,509.36-74,265.48-12,573.36

Finding the Fourth Proportional to 49,509.36, 74,265.48 and 12,573.36

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Solution

The fourth proportional to 49,509.36, 74,265.48 and 12,573.36 is: 18,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,509.36 : 74,265.48 = 12,573.36 : x
  2. Step 2: Convert to fraction form
    49,509.36/74,265.48 = 12,573.36/x
  3. Step 3: Cross multiply
    49,509.36x = 74,265.48 × 12,573.36
  4. Step 4: Simplify right side
    49,509.36x = 933,766,615.61
  5. Step 5: Solve for x
    x = 933,766,615.61/49,509.36
  6. Step 6: Final answer
    x = 18,860.41

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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.