Home / 37,638.94-56,446.58-13,620.14

Finding the Fourth Proportional to 37,638.94, 56,446.58 and 13,620.14

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Solution

The fourth proportional to 37,638.94, 56,446.58 and 13,620.14 is: 20,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,638.94 : 56,446.58 = 13,620.14 : x
  2. Step 2: Convert to fraction form
    37,638.94/56,446.58 = 13,620.14/x
  3. Step 3: Cross multiply
    37,638.94x = 56,446.58 × 13,620.14
  4. Step 4: Simplify right side
    37,638.94x = 768,810,322.12
  5. Step 5: Solve for x
    x = 768,810,322.12/37,638.94
  6. Step 6: Final answer
    x = 20,425.93

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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.