Home / 34,223.40-51,310.80-13,155.30

Finding the Fourth Proportional to 34,223.40, 51,310.80 and 13,155.30

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Solution

The fourth proportional to 34,223.40, 51,310.80 and 13,155.30 is: 19,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,223.40 : 51,310.80 = 13,155.30 : x
  2. Step 2: Convert to fraction form
    34,223.40/51,310.80 = 13,155.30/x
  3. Step 3: Cross multiply
    34,223.40x = 51,310.80 × 13,155.30
  4. Step 4: Simplify right side
    34,223.40x = 675,008,967.24
  5. Step 5: Solve for x
    x = 675,008,967.24/34,223.40
  6. Step 6: Final answer
    x = 19,723.61

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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.