Home / 30,336.18-45,495.36-10,611.06

Finding the Fourth Proportional to 30,336.18, 45,495.36 and 10,611.06

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Solution

The fourth proportional to 30,336.18, 45,495.36 and 10,611.06 is: 15,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336.18 : 45,495.36 = 10,611.06 : x
  2. Step 2: Convert to fraction form
    30,336.18/45,495.36 = 10,611.06/x
  3. Step 3: Cross multiply
    30,336.18x = 45,495.36 × 10,611.06
  4. Step 4: Simplify right side
    30,336.18x = 482,753,994.68
  5. Step 5: Solve for x
    x = 482,753,994.68/30,336.18
  6. Step 6: Final answer
    x = 15,913.47

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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.