Home / 37,564.90-56,354.86-13,872.58

Finding the Fourth Proportional to 37,564.90, 56,354.86 and 13,872.58

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Solution

The fourth proportional to 37,564.90, 56,354.86 and 13,872.58 is: 20,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,564.90 : 56,354.86 = 13,872.58 : x
  2. Step 2: Convert to fraction form
    37,564.90/56,354.86 = 13,872.58/x
  3. Step 3: Cross multiply
    37,564.90x = 56,354.86 × 13,872.58
  4. Step 4: Simplify right side
    37,564.90x = 781,787,303.74
  5. Step 5: Solve for x
    x = 781,787,303.74/37,564.90
  6. Step 6: Final answer
    x = 20,811.64

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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.