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Finding the Fourth Proportional to 57,000.49, 85,496.68 and 17,553.49

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Solution

The fourth proportional to 57,000.49, 85,496.68 and 17,553.49 is: 26,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,000.49 : 85,496.68 = 17,553.49 : x
  2. Step 2: Convert to fraction form
    57,000.49/85,496.68 = 17,553.49/x
  3. Step 3: Cross multiply
    57,000.49x = 85,496.68 × 17,553.49
  4. Step 4: Simplify right side
    57,000.49x = 1,500,765,117.41
  5. Step 5: Solve for x
    x = 1,500,765,117.41/57,000.49
  6. Step 6: Final answer
    x = 26,328.99

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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.