Home / 34,208.72-51,311.55-10,515.30

Finding the Fourth Proportional to 34,208.72, 51,311.55 and 10,515.30

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Solution

The fourth proportional to 34,208.72, 51,311.55 and 10,515.30 is: 15,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,208.72 : 51,311.55 = 10,515.30 : x
  2. Step 2: Convert to fraction form
    34,208.72/51,311.55 = 10,515.30/x
  3. Step 3: Cross multiply
    34,208.72x = 51,311.55 × 10,515.30
  4. Step 4: Simplify right side
    34,208.72x = 539,556,341.72
  5. Step 5: Solve for x
    x = 539,556,341.72/34,208.72
  6. Step 6: Final answer
    x = 15,772.48

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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.