Home / 30,297.05-45,454.86-15,516.35

Finding the Fourth Proportional to 30,297.05, 45,454.86 and 15,516.35

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Solution

The fourth proportional to 30,297.05, 45,454.86 and 15,516.35 is: 23,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.05 : 45,454.86 = 15,516.35 : x
  2. Step 2: Convert to fraction form
    30,297.05/45,454.86 = 15,516.35/x
  3. Step 3: Cross multiply
    30,297.05x = 45,454.86 × 15,516.35
  4. Step 4: Simplify right side
    30,297.05x = 705,293,439.38
  5. Step 5: Solve for x
    x = 705,293,439.38/30,297.05
  6. Step 6: Final answer
    x = 23,279.28

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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.