Home / 35,712.45-53,571.11-18,177.57

Finding the Fourth Proportional to 35,712.45, 53,571.11 and 18,177.57

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Solution

The fourth proportional to 35,712.45, 53,571.11 and 18,177.57 is: 27,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712.45 : 53,571.11 = 18,177.57 : x
  2. Step 2: Convert to fraction form
    35,712.45/53,571.11 = 18,177.57/x
  3. Step 3: Cross multiply
    35,712.45x = 53,571.11 × 18,177.57
  4. Step 4: Simplify right side
    35,712.45x = 973,792,511.11
  5. Step 5: Solve for x
    x = 973,792,511.11/35,712.45
  6. Step 6: Final answer
    x = 27,267.59

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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.