Home / 37,779.28-56,662.54-12,470.96

Finding the Fourth Proportional to 37,779.28, 56,662.54 and 12,470.96

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Solution

The fourth proportional to 37,779.28, 56,662.54 and 12,470.96 is: 18,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.28 : 56,662.54 = 12,470.96 : x
  2. Step 2: Convert to fraction form
    37,779.28/56,662.54 = 12,470.96/x
  3. Step 3: Cross multiply
    37,779.28x = 56,662.54 × 12,470.96
  4. Step 4: Simplify right side
    37,779.28x = 706,636,380.32
  5. Step 5: Solve for x
    x = 706,636,380.32/37,779.28
  6. Step 6: Final answer
    x = 18,704.34

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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.