Home / 30,640.32-45,967.68-9,863.04

Finding the Fourth Proportional to 30,640.32, 45,967.68 and 9,863.04

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Solution

The fourth proportional to 30,640.32, 45,967.68 and 9,863.04 is: 14,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640.32 : 45,967.68 = 9,863.04 : x
  2. Step 2: Convert to fraction form
    30,640.32/45,967.68 = 9,863.04/x
  3. Step 3: Cross multiply
    30,640.32x = 45,967.68 × 9,863.04
  4. Step 4: Simplify right side
    30,640.32x = 453,381,066.55
  5. Step 5: Solve for x
    x = 453,381,066.55/30,640.32
  6. Step 6: Final answer
    x = 14,796.88

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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.