Home / 30,583.68-45,904.32-15,012.48

Finding the Fourth Proportional to 30,583.68, 45,904.32 and 15,012.48

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Solution

The fourth proportional to 30,583.68, 45,904.32 and 15,012.48 is: 22,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.68 : 45,904.32 = 15,012.48 : x
  2. Step 2: Convert to fraction form
    30,583.68/45,904.32 = 15,012.48/x
  3. Step 3: Cross multiply
    30,583.68x = 45,904.32 × 15,012.48
  4. Step 4: Simplify right side
    30,583.68x = 689,137,685.91
  5. Step 5: Solve for x
    x = 689,137,685.91/30,583.68
  6. Step 6: Final answer
    x = 22,532.86

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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.