Home / 37,441.09-56,157.78-12,478.45

Finding the Fourth Proportional to 37,441.09, 56,157.78 and 12,478.45

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Solution

The fourth proportional to 37,441.09, 56,157.78 and 12,478.45 is: 18,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,441.09 : 56,157.78 = 12,478.45 : x
  2. Step 2: Convert to fraction form
    37,441.09/56,157.78 = 12,478.45/x
  3. Step 3: Cross multiply
    37,441.09x = 56,157.78 × 12,478.45
  4. Step 4: Simplify right side
    37,441.09x = 700,762,049.84
  5. Step 5: Solve for x
    x = 700,762,049.84/37,441.09
  6. Step 6: Final answer
    x = 18,716.39

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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.