Home / 30,404.16-45,619.20-10,696.32

Finding the Fourth Proportional to 30,404.16, 45,619.20 and 10,696.32

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Solution

The fourth proportional to 30,404.16, 45,619.20 and 10,696.32 is: 16,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404.16 : 45,619.20 = 10,696.32 : x
  2. Step 2: Convert to fraction form
    30,404.16/45,619.20 = 10,696.32/x
  3. Step 3: Cross multiply
    30,404.16x = 45,619.20 × 10,696.32
  4. Step 4: Simplify right side
    30,404.16x = 487,957,561.34
  5. Step 5: Solve for x
    x = 487,957,561.34/30,404.16
  6. Step 6: Final answer
    x = 16,049.04

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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.