Home / 34,319.08-51,405.72-19,520.38

Finding the Fourth Proportional to 34,319.08, 51,405.72 and 19,520.38

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Solution

The fourth proportional to 34,319.08, 51,405.72 and 19,520.38 is: 29,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,319.08 : 51,405.72 = 19,520.38 : x
  2. Step 2: Convert to fraction form
    34,319.08/51,405.72 = 19,520.38/x
  3. Step 3: Cross multiply
    34,319.08x = 51,405.72 × 19,520.38
  4. Step 4: Simplify right side
    34,319.08x = 1,003,459,188.57
  5. Step 5: Solve for x
    x = 1,003,459,188.57/34,319.08
  6. Step 6: Final answer
    x = 29,239.11

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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.