Home / 34,174.20-51,236.70-20,999.35

Finding the Fourth Proportional to 34,174.20, 51,236.70 and 20,999.35

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Solution

The fourth proportional to 34,174.20, 51,236.70 and 20,999.35 is: 31,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,174.20 : 51,236.70 = 20,999.35 : x
  2. Step 2: Convert to fraction form
    34,174.20/51,236.70 = 20,999.35/x
  3. Step 3: Cross multiply
    34,174.20x = 51,236.70 × 20,999.35
  4. Step 4: Simplify right side
    34,174.20x = 1,075,937,291.15
  5. Step 5: Solve for x
    x = 1,075,937,291.15/34,174.20
  6. Step 6: Final answer
    x = 31,483.91

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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.