Home / 45,705.39-68,550.99-17,638.62

Finding the Fourth Proportional to 45,705.39, 68,550.99 and 17,638.62

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Solution

The fourth proportional to 45,705.39, 68,550.99 and 17,638.62 is: 26,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.39 : 68,550.99 = 17,638.62 : x
  2. Step 2: Convert to fraction form
    45,705.39/68,550.99 = 17,638.62/x
  3. Step 3: Cross multiply
    45,705.39x = 68,550.99 × 17,638.62
  4. Step 4: Simplify right side
    45,705.39x = 1,209,144,863.23
  5. Step 5: Solve for x
    x = 1,209,144,863.23/45,705.39
  6. Step 6: Final answer
    x = 26,455.19

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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.