Home / 30,211.26-45,329.85-17,043.90

Finding the Fourth Proportional to 30,211.26, 45,329.85 and 17,043.90

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Solution

The fourth proportional to 30,211.26, 45,329.85 and 17,043.90 is: 25,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,211.26 : 45,329.85 = 17,043.90 : x
  2. Step 2: Convert to fraction form
    30,211.26/45,329.85 = 17,043.90/x
  3. Step 3: Cross multiply
    30,211.26x = 45,329.85 × 17,043.90
  4. Step 4: Simplify right side
    30,211.26x = 772,597,430.42
  5. Step 5: Solve for x
    x = 772,597,430.42/30,211.26
  6. Step 6: Final answer
    x = 25,573.16

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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.