Home / 45,690.18-68,369.16-37,718.54

Finding the Fourth Proportional to 45,690.18, 68,369.16 and 37,718.54

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Solution

The fourth proportional to 45,690.18, 68,369.16 and 37,718.54 is: 56,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690.18 : 68,369.16 = 37,718.54 : x
  2. Step 2: Convert to fraction form
    45,690.18/68,369.16 = 37,718.54/x
  3. Step 3: Cross multiply
    45,690.18x = 68,369.16 × 37,718.54
  4. Step 4: Simplify right side
    45,690.18x = 2,578,784,896.23
  5. Step 5: Solve for x
    x = 2,578,784,896.23/45,690.18
  6. Step 6: Final answer
    x = 56,440.68

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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.