Home / 38,886.21-58,334.99-19,165.95

Finding the Fourth Proportional to 38,886.21, 58,334.99 and 19,165.95

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Solution

The fourth proportional to 38,886.21, 58,334.99 and 19,165.95 is: 28,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,886.21 : 58,334.99 = 19,165.95 : x
  2. Step 2: Convert to fraction form
    38,886.21/58,334.99 = 19,165.95/x
  3. Step 3: Cross multiply
    38,886.21x = 58,334.99 × 19,165.95
  4. Step 4: Simplify right side
    38,886.21x = 1,118,045,405.76
  5. Step 5: Solve for x
    x = 1,118,045,405.76/38,886.21
  6. Step 6: Final answer
    x = 28,751.72

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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.