Home / 30,297.26-45,455.15-15,516.63

Finding the Fourth Proportional to 30,297.26, 45,455.15 and 15,516.63

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Solution

The fourth proportional to 30,297.26, 45,455.15 and 15,516.63 is: 23,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.26 : 45,455.15 = 15,516.63 : x
  2. Step 2: Convert to fraction form
    30,297.26/45,455.15 = 15,516.63/x
  3. Step 3: Cross multiply
    30,297.26x = 45,455.15 × 15,516.63
  4. Step 4: Simplify right side
    30,297.26x = 705,310,666.56
  5. Step 5: Solve for x
    x = 705,310,666.56/30,297.26
  6. Step 6: Final answer
    x = 23,279.69

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1.5x scale

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.