Home / 34,337.30-51,538.35-21,215.30

Finding the Fourth Proportional to 34,337.30, 51,538.35 and 21,215.30

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Solution

The fourth proportional to 34,337.30, 51,538.35 and 21,215.30 is: 31,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,337.30 : 51,538.35 = 21,215.30 : x
  2. Step 2: Convert to fraction form
    34,337.30/51,538.35 = 21,215.30/x
  3. Step 3: Cross multiply
    34,337.30x = 51,538.35 × 21,215.30
  4. Step 4: Simplify right side
    34,337.30x = 1,093,401,556.76
  5. Step 5: Solve for x
    x = 1,093,401,556.76/34,337.30
  6. Step 6: Final answer
    x = 31,842.97

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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.