Home / 36,872.40-55,308.60-12,248.40

Finding the Fourth Proportional to 36,872.40, 55,308.60 and 12,248.40

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Solution

The fourth proportional to 36,872.40, 55,308.60 and 12,248.40 is: 18,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.40 : 55,308.60 = 12,248.40 : x
  2. Step 2: Convert to fraction form
    36,872.40/55,308.60 = 12,248.40/x
  3. Step 3: Cross multiply
    36,872.40x = 55,308.60 × 12,248.40
  4. Step 4: Simplify right side
    36,872.40x = 677,441,856.24
  5. Step 5: Solve for x
    x = 677,441,856.24/36,872.40
  6. Step 6: Final answer
    x = 18,372.60

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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.