Home / 45,785.55-68,678.09-14,620.11

Finding the Fourth Proportional to 45,785.55, 68,678.09 and 14,620.11

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Solution

The fourth proportional to 45,785.55, 68,678.09 and 14,620.11 is: 21,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785.55 : 68,678.09 = 14,620.11 : x
  2. Step 2: Convert to fraction form
    45,785.55/68,678.09 = 14,620.11/x
  3. Step 3: Cross multiply
    45,785.55x = 68,678.09 × 14,620.11
  4. Step 4: Simplify right side
    45,785.55x = 1,004,081,157.29
  5. Step 5: Solve for x
    x = 1,004,081,157.29/45,785.55
  6. Step 6: Final answer
    x = 21,930.09

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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.