Home / 37,821.90-56,739.62-12,860.65

Finding the Fourth Proportional to 37,821.90, 56,739.62 and 12,860.65

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Solution

The fourth proportional to 37,821.90, 56,739.62 and 12,860.65 is: 19,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.90 : 56,739.62 = 12,860.65 : x
  2. Step 2: Convert to fraction form
    37,821.90/56,739.62 = 12,860.65/x
  3. Step 3: Cross multiply
    37,821.90x = 56,739.62 × 12,860.65
  4. Step 4: Simplify right side
    37,821.90x = 729,708,393.95
  5. Step 5: Solve for x
    x = 729,708,393.95/37,821.90
  6. Step 6: Final answer
    x = 19,293.28

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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.