Home / 32,548.87-48,780.63-18,515.35

Finding the Fourth Proportional to 32,548.87, 48,780.63 and 18,515.35

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Solution

The fourth proportional to 32,548.87, 48,780.63 and 18,515.35 is: 27,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,548.87 : 48,780.63 = 18,515.35 : x
  2. Step 2: Convert to fraction form
    32,548.87/48,780.63 = 18,515.35/x
  3. Step 3: Cross multiply
    32,548.87x = 48,780.63 × 18,515.35
  4. Step 4: Simplify right side
    32,548.87x = 903,190,437.67
  5. Step 5: Solve for x
    x = 903,190,437.67/32,548.87
  6. Step 6: Final answer
    x = 27,748.75

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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.