Home / 37,777.50-56,647.44-21,987.78

Finding the Fourth Proportional to 37,777.50, 56,647.44 and 21,987.78

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Solution

The fourth proportional to 37,777.50, 56,647.44 and 21,987.78 is: 32,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,777.50 : 56,647.44 = 21,987.78 : x
  2. Step 2: Convert to fraction form
    37,777.50/56,647.44 = 21,987.78/x
  3. Step 3: Cross multiply
    37,777.50x = 56,647.44 × 21,987.78
  4. Step 4: Simplify right side
    37,777.50x = 1,245,551,448.28
  5. Step 5: Solve for x
    x = 1,245,551,448.28/37,777.50
  6. Step 6: Final answer
    x = 32,970.72

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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.