Home / 34,176.33-51,208.20-21,000.87

Finding the Fourth Proportional to 34,176.33, 51,208.20 and 21,000.87

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Solution

The fourth proportional to 34,176.33, 51,208.20 and 21,000.87 is: 31,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,176.33 : 51,208.20 = 21,000.87 : x
  2. Step 2: Convert to fraction form
    34,176.33/51,208.20 = 21,000.87/x
  3. Step 3: Cross multiply
    34,176.33x = 51,208.20 × 21,000.87
  4. Step 4: Simplify right side
    34,176.33x = 1,075,416,751.13
  5. Step 5: Solve for x
    x = 1,075,416,751.13/34,176.33
  6. Step 6: Final answer
    x = 31,466.71

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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.