Home / 37,977.16-56,928.30-13,335.88

Finding the Fourth Proportional to 37,977.16, 56,928.30 and 13,335.88

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Solution

The fourth proportional to 37,977.16, 56,928.30 and 13,335.88 is: 19,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,977.16 : 56,928.30 = 13,335.88 : x
  2. Step 2: Convert to fraction form
    37,977.16/56,928.30 = 13,335.88/x
  3. Step 3: Cross multiply
    37,977.16x = 56,928.30 × 13,335.88
  4. Step 4: Simplify right side
    37,977.16x = 759,188,977.40
  5. Step 5: Solve for x
    x = 759,188,977.40/37,977.16
  6. Step 6: Final answer
    x = 19,990.67

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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.