Home / 30,146.08-45,247.11-15,366.10

Finding the Fourth Proportional to 30,146.08, 45,247.11 and 15,366.10

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Solution

The fourth proportional to 30,146.08, 45,247.11 and 15,366.10 is: 23,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.08 : 45,247.11 = 15,366.10 : x
  2. Step 2: Convert to fraction form
    30,146.08/45,247.11 = 15,366.10/x
  3. Step 3: Cross multiply
    30,146.08x = 45,247.11 × 15,366.10
  4. Step 4: Simplify right side
    30,146.08x = 695,271,616.97
  5. Step 5: Solve for x
    x = 695,271,616.97/30,146.08
  6. Step 6: Final answer
    x = 23,063.42

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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.