Home / 37,416.96-51,635.68-20,421.32

Finding the Fourth Proportional to 37,416.96, 51,635.68 and 20,421.32

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Solution

The fourth proportional to 37,416.96, 51,635.68 and 20,421.32 is: 28,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,416.96 : 51,635.68 = 20,421.32 : x
  2. Step 2: Convert to fraction form
    37,416.96/51,635.68 = 20,421.32/x
  3. Step 3: Cross multiply
    37,416.96x = 51,635.68 × 20,421.32
  4. Step 4: Simplify right side
    37,416.96x = 1,054,468,744.70
  5. Step 5: Solve for x
    x = 1,054,468,744.70/37,416.96
  6. Step 6: Final answer
    x = 28,181.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.