Home / 37,784.64-56,676.32-13,160

Finding the Fourth Proportional to 37,784.64, 56,676.32 and 13,160

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Solution

The fourth proportional to 37,784.64, 56,676.32 and 13,160 is: 19,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,784.64 : 56,676.32 = 13,160 : x
  2. Step 2: Convert to fraction form
    37,784.64/56,676.32 = 13,160/x
  3. Step 3: Cross multiply
    37,784.64x = 56,676.32 × 13,160
  4. Step 4: Simplify right side
    37,784.64x = 745,860,371.20
  5. Step 5: Solve for x
    x = 745,860,371.20/37,784.64
  6. Step 6: Final answer
    x = 19,739.78

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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.