Home / 35,936.40-53,904.60-18,221.70

Finding the Fourth Proportional to 35,936.40, 53,904.60 and 18,221.70

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Solution

The fourth proportional to 35,936.40, 53,904.60 and 18,221.70 is: 27,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,936.40 : 53,904.60 = 18,221.70 : x
  2. Step 2: Convert to fraction form
    35,936.40/53,904.60 = 18,221.70/x
  3. Step 3: Cross multiply
    35,936.40x = 53,904.60 × 18,221.70
  4. Step 4: Simplify right side
    35,936.40x = 982,233,449.82
  5. Step 5: Solve for x
    x = 982,233,449.82/35,936.40
  6. Step 6: Final answer
    x = 27,332.55

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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.