Home / 37,409.60-56,107.20-11,115.20

Finding the Fourth Proportional to 37,409.60, 56,107.20 and 11,115.20

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Solution

The fourth proportional to 37,409.60, 56,107.20 and 11,115.20 is: 16,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,409.60 : 56,107.20 = 11,115.20 : x
  2. Step 2: Convert to fraction form
    37,409.60/56,107.20 = 11,115.20/x
  3. Step 3: Cross multiply
    37,409.60x = 56,107.20 × 11,115.20
  4. Step 4: Simplify right side
    37,409.60x = 623,642,749.44
  5. Step 5: Solve for x
    x = 623,642,749.44/37,409.60
  6. Step 6: Final answer
    x = 16,670.66

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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.