Home / 45,635.43-68,459.72-14,048.19

Finding the Fourth Proportional to 45,635.43, 68,459.72 and 14,048.19

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Solution

The fourth proportional to 45,635.43, 68,459.72 and 14,048.19 is: 21,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635.43 : 68,459.72 = 14,048.19 : x
  2. Step 2: Convert to fraction form
    45,635.43/68,459.72 = 14,048.19/x
  3. Step 3: Cross multiply
    45,635.43x = 68,459.72 × 14,048.19
  4. Step 4: Simplify right side
    45,635.43x = 961,735,153.91
  5. Step 5: Solve for x
    x = 961,735,153.91/45,635.43
  6. Step 6: Final answer
    x = 21,074.31

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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.