Home / 52,790.68-72,850.40-30,142.92

Finding the Fourth Proportional to 52,790.68, 72,850.40 and 30,142.92

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Solution

The fourth proportional to 52,790.68, 72,850.40 and 30,142.92 is: 41,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.68 : 72,850.40 = 30,142.92 : x
  2. Step 2: Convert to fraction form
    52,790.68/72,850.40 = 30,142.92/x
  3. Step 3: Cross multiply
    52,790.68x = 72,850.40 × 30,142.92
  4. Step 4: Simplify right side
    52,790.68x = 2,195,923,779.17
  5. Step 5: Solve for x
    x = 2,195,923,779.17/52,790.68
  6. Step 6: Final answer
    x = 41,596.81

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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.