Home / 56,718.62-85,090.23-17,274.70

Finding the Fourth Proportional to 56,718.62, 85,090.23 and 17,274.70

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Solution

The fourth proportional to 56,718.62, 85,090.23 and 17,274.70 is: 25,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718.62 : 85,090.23 = 17,274.70 : x
  2. Step 2: Convert to fraction form
    56,718.62/85,090.23 = 17,274.70/x
  3. Step 3: Cross multiply
    56,718.62x = 85,090.23 × 17,274.70
  4. Step 4: Simplify right side
    56,718.62x = 1,469,908,196.18
  5. Step 5: Solve for x
    x = 1,469,908,196.18/56,718.62
  6. Step 6: Final answer
    x = 25,915.80

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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.