Home / 37,811.64-56,725.90-11,518.42

Finding the Fourth Proportional to 37,811.64, 56,725.90 and 11,518.42

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Solution

The fourth proportional to 37,811.64, 56,725.90 and 11,518.42 is: 17,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,811.64 : 56,725.90 = 11,518.42 : x
  2. Step 2: Convert to fraction form
    37,811.64/56,725.90 = 11,518.42/x
  3. Step 3: Cross multiply
    37,811.64x = 56,725.90 × 11,518.42
  4. Step 4: Simplify right side
    37,811.64x = 653,392,741.08
  5. Step 5: Solve for x
    x = 653,392,741.08/37,811.64
  6. Step 6: Final answer
    x = 17,280.20

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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.