Home / 34,658.30-51,987.45-13,896.70

Finding the Fourth Proportional to 34,658.30, 51,987.45 and 13,896.70

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Solution

The fourth proportional to 34,658.30, 51,987.45 and 13,896.70 is: 20,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.30 : 51,987.45 = 13,896.70 : x
  2. Step 2: Convert to fraction form
    34,658.30/51,987.45 = 13,896.70/x
  3. Step 3: Cross multiply
    34,658.30x = 51,987.45 × 13,896.70
  4. Step 4: Simplify right side
    34,658.30x = 722,453,996.42
  5. Step 5: Solve for x
    x = 722,453,996.42/34,658.30
  6. Step 6: Final answer
    x = 20,845.05

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1.5x scale

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.