Home / 36,624.64-50,539.68-20,709.76

Finding the Fourth Proportional to 36,624.64, 50,539.68 and 20,709.76

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Solution

The fourth proportional to 36,624.64, 50,539.68 and 20,709.76 is: 28,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,624.64 : 50,539.68 = 20,709.76 : x
  2. Step 2: Convert to fraction form
    36,624.64/50,539.68 = 20,709.76/x
  3. Step 3: Cross multiply
    36,624.64x = 50,539.68 × 20,709.76
  4. Step 4: Simplify right side
    36,624.64x = 1,046,664,643.28
  5. Step 5: Solve for x
    x = 1,046,664,643.28/36,624.64
  6. Step 6: Final answer
    x = 28,578.16

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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.