Home / 30,617.64-45,926.55-9,855.72

Finding the Fourth Proportional to 30,617.64, 45,926.55 and 9,855.72

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Solution

The fourth proportional to 30,617.64, 45,926.55 and 9,855.72 is: 14,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617.64 : 45,926.55 = 9,855.72 : x
  2. Step 2: Convert to fraction form
    30,617.64/45,926.55 = 9,855.72/x
  3. Step 3: Cross multiply
    30,617.64x = 45,926.55 × 9,855.72
  4. Step 4: Simplify right side
    30,617.64x = 452,639,217.37
  5. Step 5: Solve for x
    x = 452,639,217.37/30,617.64
  6. Step 6: Final answer
    x = 14,783.61

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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.