Home / 45,589.54-68,381.83-12,309.14

Finding the Fourth Proportional to 45,589.54, 68,381.83 and 12,309.14

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Solution

The fourth proportional to 45,589.54, 68,381.83 and 12,309.14 is: 18,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,589.54 : 68,381.83 = 12,309.14 : x
  2. Step 2: Convert to fraction form
    45,589.54/68,381.83 = 12,309.14/x
  3. Step 3: Cross multiply
    45,589.54x = 68,381.83 × 12,309.14
  4. Step 4: Simplify right side
    45,589.54x = 841,721,518.93
  5. Step 5: Solve for x
    x = 841,721,518.93/45,589.54
  6. Step 6: Final answer
    x = 18,463.04

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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.