Home / 37,790.10-56,674.98-11,487.78

Finding the Fourth Proportional to 37,790.10, 56,674.98 and 11,487.78

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Solution

The fourth proportional to 37,790.10, 56,674.98 and 11,487.78 is: 17,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,790.10 : 56,674.98 = 11,487.78 : x
  2. Step 2: Convert to fraction form
    37,790.10/56,674.98 = 11,487.78/x
  3. Step 3: Cross multiply
    37,790.10x = 56,674.98 × 11,487.78
  4. Step 4: Simplify right side
    37,790.10x = 651,069,701.74
  5. Step 5: Solve for x
    x = 651,069,701.74/37,790.10
  6. Step 6: Final answer
    x = 17,228.58

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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.