Home / 34,687.40-52,038.30-11,315.60

Finding the Fourth Proportional to 34,687.40, 52,038.30 and 11,315.60

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Solution

The fourth proportional to 34,687.40, 52,038.30 and 11,315.60 is: 16,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,687.40 : 52,038.30 = 11,315.60 : x
  2. Step 2: Convert to fraction form
    34,687.40/52,038.30 = 11,315.60/x
  3. Step 3: Cross multiply
    34,687.40x = 52,038.30 × 11,315.60
  4. Step 4: Simplify right side
    34,687.40x = 588,844,587.48
  5. Step 5: Solve for x
    x = 588,844,587.48/34,687.40
  6. Step 6: Final answer
    x = 16,975.75

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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.