Home / 45,250.65-67,785.39-21,581.24

Finding the Fourth Proportional to 45,250.65, 67,785.39 and 21,581.24

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Solution

The fourth proportional to 45,250.65, 67,785.39 and 21,581.24 is: 32,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.65 : 67,785.39 = 21,581.24 : x
  2. Step 2: Convert to fraction form
    45,250.65/67,785.39 = 21,581.24/x
  3. Step 3: Cross multiply
    45,250.65x = 67,785.39 × 21,581.24
  4. Step 4: Simplify right side
    45,250.65x = 1,462,892,431.16
  5. Step 5: Solve for x
    x = 1,462,892,431.16/45,250.65
  6. Step 6: Final answer
    x = 32,328.65

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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.