Home / 45,724.31-68,579.39-17,640.27

Finding the Fourth Proportional to 45,724.31, 68,579.39 and 17,640.27

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Solution

The fourth proportional to 45,724.31, 68,579.39 and 17,640.27 is: 26,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,724.31 : 68,579.39 = 17,640.27 : x
  2. Step 2: Convert to fraction form
    45,724.31/68,579.39 = 17,640.27/x
  3. Step 3: Cross multiply
    45,724.31x = 68,579.39 × 17,640.27
  4. Step 4: Simplify right side
    45,724.31x = 1,209,759,000.14
  5. Step 5: Solve for x
    x = 1,209,759,000.14/45,724.31
  6. Step 6: Final answer
    x = 26,457.68

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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.