Home / 35,542.92-53,282.70-18,003.72

Finding the Fourth Proportional to 35,542.92, 53,282.70 and 18,003.72

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Solution

The fourth proportional to 35,542.92, 53,282.70 and 18,003.72 is: 26,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,542.92 : 53,282.70 = 18,003.72 : x
  2. Step 2: Convert to fraction form
    35,542.92/53,282.70 = 18,003.72/x
  3. Step 3: Cross multiply
    35,542.92x = 53,282.70 × 18,003.72
  4. Step 4: Simplify right side
    35,542.92x = 959,286,811.64
  5. Step 5: Solve for x
    x = 959,286,811.64/35,542.92
  6. Step 6: Final answer
    x = 26,989.53

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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.