Home / 37,619.55-56,432.80-13,609.86

Finding the Fourth Proportional to 37,619.55, 56,432.80 and 13,609.86

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Solution

The fourth proportional to 37,619.55, 56,432.80 and 13,609.86 is: 20,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,619.55 : 56,432.80 = 13,609.86 : x
  2. Step 2: Convert to fraction form
    37,619.55/56,432.80 = 13,609.86/x
  3. Step 3: Cross multiply
    37,619.55x = 56,432.80 × 13,609.86
  4. Step 4: Simplify right side
    37,619.55x = 768,042,507.41
  5. Step 5: Solve for x
    x = 768,042,507.41/37,619.55
  6. Step 6: Final answer
    x = 20,416.05

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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.