Home / 30,168.83-45,259.32-10,446.95

Finding the Fourth Proportional to 30,168.83, 45,259.32 and 10,446.95

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Solution

The fourth proportional to 30,168.83, 45,259.32 and 10,446.95 is: 15,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.83 : 45,259.32 = 10,446.95 : x
  2. Step 2: Convert to fraction form
    30,168.83/45,259.32 = 10,446.95/x
  3. Step 3: Cross multiply
    30,168.83x = 45,259.32 × 10,446.95
  4. Step 4: Simplify right side
    30,168.83x = 472,821,853.07
  5. Step 5: Solve for x
    x = 472,821,853.07/30,168.83
  6. Step 6: Final answer
    x = 15,672.53

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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.