Home / 45,382.10-68,073.42-15,779.21

Finding the Fourth Proportional to 45,382.10, 68,073.42 and 15,779.21

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Solution

The fourth proportional to 45,382.10, 68,073.42 and 15,779.21 is: 23,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,382.10 : 68,073.42 = 15,779.21 : x
  2. Step 2: Convert to fraction form
    45,382.10/68,073.42 = 15,779.21/x
  3. Step 3: Cross multiply
    45,382.10x = 68,073.42 × 15,779.21
  4. Step 4: Simplify right side
    45,382.10x = 1,074,144,789.60
  5. Step 5: Solve for x
    x = 1,074,144,789.60/45,382.10
  6. Step 6: Final answer
    x = 23,668.91

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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.