Home / 45,118.49-67,664.59-13,527.29

Finding the Fourth Proportional to 45,118.49, 67,664.59 and 13,527.29

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Solution

The fourth proportional to 45,118.49, 67,664.59 and 13,527.29 is: 20,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,118.49 : 67,664.59 = 13,527.29 : x
  2. Step 2: Convert to fraction form
    45,118.49/67,664.59 = 13,527.29/x
  3. Step 3: Cross multiply
    45,118.49x = 67,664.59 × 13,527.29
  4. Step 4: Simplify right side
    45,118.49x = 915,318,531.66
  5. Step 5: Solve for x
    x = 915,318,531.66/45,118.49
  6. Step 6: Final answer
    x = 20,286.99

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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.