Home / 52,380.45-72,282.78-28,507.07

Finding the Fourth Proportional to 52,380.45, 72,282.78 and 28,507.07

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Solution

The fourth proportional to 52,380.45, 72,282.78 and 28,507.07 is: 39,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,380.45 : 72,282.78 = 28,507.07 : x
  2. Step 2: Convert to fraction form
    52,380.45/72,282.78 = 28,507.07/x
  3. Step 3: Cross multiply
    52,380.45x = 72,282.78 × 28,507.07
  4. Step 4: Simplify right side
    52,380.45x = 2,060,570,449.96
  5. Step 5: Solve for x
    x = 2,060,570,449.96/52,380.45
  6. Step 6: Final answer
    x = 39,338.54

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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.