Home / 37,608.12-56,381.40-18,865.53

Finding the Fourth Proportional to 37,608.12, 56,381.40 and 18,865.53

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Solution

The fourth proportional to 37,608.12, 56,381.40 and 18,865.53 is: 28,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,608.12 : 56,381.40 = 18,865.53 : x
  2. Step 2: Convert to fraction form
    37,608.12/56,381.40 = 18,865.53/x
  3. Step 3: Cross multiply
    37,608.12x = 56,381.40 × 18,865.53
  4. Step 4: Simplify right side
    37,608.12x = 1,063,664,993.14
  5. Step 5: Solve for x
    x = 1,063,664,993.14/37,608.12
  6. Step 6: Final answer
    x = 28,282.85

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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.