Home / 45,411.38-68,128.62-14,246.90

Finding the Fourth Proportional to 45,411.38, 68,128.62 and 14,246.90

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Solution

The fourth proportional to 45,411.38, 68,128.62 and 14,246.90 is: 21,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,411.38 : 68,128.62 = 14,246.90 : x
  2. Step 2: Convert to fraction form
    45,411.38/68,128.62 = 14,246.90/x
  3. Step 3: Cross multiply
    45,411.38x = 68,128.62 × 14,246.90
  4. Step 4: Simplify right side
    45,411.38x = 970,621,636.28
  5. Step 5: Solve for x
    x = 970,621,636.28/45,411.38
  6. Step 6: Final answer
    x = 21,373.97

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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.