Home / 30,135.29-45,144.61-23,175.77

Finding the Fourth Proportional to 30,135.29, 45,144.61 and 23,175.77

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Solution

The fourth proportional to 30,135.29, 45,144.61 and 23,175.77 is: 34,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.29 : 45,144.61 = 23,175.77 : x
  2. Step 2: Convert to fraction form
    30,135.29/45,144.61 = 23,175.77/x
  3. Step 3: Cross multiply
    30,135.29x = 45,144.61 × 23,175.77
  4. Step 4: Simplify right side
    30,135.29x = 1,046,260,814.44
  5. Step 5: Solve for x
    x = 1,046,260,814.44/30,135.29
  6. Step 6: Final answer
    x = 34,718.80

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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.