Home / 52,843.35-72,931.83-30,187.11

Finding the Fourth Proportional to 52,843.35, 72,931.83 and 30,187.11

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Solution

The fourth proportional to 52,843.35, 72,931.83 and 30,187.11 is: 41,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,843.35 : 72,931.83 = 30,187.11 : x
  2. Step 2: Convert to fraction form
    52,843.35/72,931.83 = 30,187.11/x
  3. Step 3: Cross multiply
    52,843.35x = 72,931.83 × 30,187.11
  4. Step 4: Simplify right side
    52,843.35x = 2,201,601,174.71
  5. Step 5: Solve for x
    x = 2,201,601,174.71/52,843.35
  6. Step 6: Final answer
    x = 41,662.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.