Home / 35,128.92-52,701.28-18,496.80

Finding the Fourth Proportional to 35,128.92, 52,701.28 and 18,496.80

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Solution

The fourth proportional to 35,128.92, 52,701.28 and 18,496.80 is: 27,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.92 : 52,701.28 = 18,496.80 : x
  2. Step 2: Convert to fraction form
    35,128.92/52,701.28 = 18,496.80/x
  3. Step 3: Cross multiply
    35,128.92x = 52,701.28 × 18,496.80
  4. Step 4: Simplify right side
    35,128.92x = 974,805,035.90
  5. Step 5: Solve for x
    x = 974,805,035.90/35,128.92
  6. Step 6: Final answer
    x = 27,749.36

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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.