Home / 37,835.80-56,759.82-12,878.08

Finding the Fourth Proportional to 37,835.80, 56,759.82 and 12,878.08

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Solution

The fourth proportional to 37,835.80, 56,759.82 and 12,878.08 is: 19,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,835.80 : 56,759.82 = 12,878.08 : x
  2. Step 2: Convert to fraction form
    37,835.80/56,759.82 = 12,878.08/x
  3. Step 3: Cross multiply
    37,835.80x = 56,759.82 × 12,878.08
  4. Step 4: Simplify right side
    37,835.80x = 730,957,502.75
  5. Step 5: Solve for x
    x = 730,957,502.75/37,835.80
  6. Step 6: Final answer
    x = 19,319.20

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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.