Home / 37,409.76-56,111.28-12,441.72

Finding the Fourth Proportional to 37,409.76, 56,111.28 and 12,441.72

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Solution

The fourth proportional to 37,409.76, 56,111.28 and 12,441.72 is: 18,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,409.76 : 56,111.28 = 12,441.72 : x
  2. Step 2: Convert to fraction form
    37,409.76/56,111.28 = 12,441.72/x
  3. Step 3: Cross multiply
    37,409.76x = 56,111.28 × 12,441.72
  4. Step 4: Simplify right side
    37,409.76x = 698,120,834.60
  5. Step 5: Solve for x
    x = 698,120,834.60/37,409.76
  6. Step 6: Final answer
    x = 18,661.46

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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.