Home / 34,750.20-52,119.90-9,787.80

Finding the Fourth Proportional to 34,750.20, 52,119.90 and 9,787.80

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Solution

The fourth proportional to 34,750.20, 52,119.90 and 9,787.80 is: 14,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.20 : 52,119.90 = 9,787.80 : x
  2. Step 2: Convert to fraction form
    34,750.20/52,119.90 = 9,787.80/x
  3. Step 3: Cross multiply
    34,750.20x = 52,119.90 × 9,787.80
  4. Step 4: Simplify right side
    34,750.20x = 510,139,157.22
  5. Step 5: Solve for x
    x = 510,139,157.22/34,750.20
  6. Step 6: Final answer
    x = 14,680.18

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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.