Home / 45,737.28-68,628.96-18,054.72

Finding the Fourth Proportional to 45,737.28, 68,628.96 and 18,054.72

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Solution

The fourth proportional to 45,737.28, 68,628.96 and 18,054.72 is: 27,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,737.28 : 68,628.96 = 18,054.72 : x
  2. Step 2: Convert to fraction form
    45,737.28/68,628.96 = 18,054.72/x
  3. Step 3: Cross multiply
    45,737.28x = 68,628.96 × 18,054.72
  4. Step 4: Simplify right side
    45,737.28x = 1,239,076,656.69
  5. Step 5: Solve for x
    x = 1,239,076,656.69/45,737.28
  6. Step 6: Final answer
    x = 27,091.18

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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.