Home / 55,273.08-82,838.75-40,242.12

Finding the Fourth Proportional to 55,273.08, 82,838.75 and 40,242.12

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Solution

The fourth proportional to 55,273.08, 82,838.75 and 40,242.12 is: 60,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.08 : 82,838.75 = 40,242.12 : x
  2. Step 2: Convert to fraction form
    55,273.08/82,838.75 = 40,242.12/x
  3. Step 3: Cross multiply
    55,273.08x = 82,838.75 × 40,242.12
  4. Step 4: Simplify right side
    55,273.08x = 3,333,606,716.94
  5. Step 5: Solve for x
    x = 3,333,606,716.94/55,273.08
  6. Step 6: Final answer
    x = 60,311.58

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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.