Home / 35,775.30-49,372.23-20,668.59

Finding the Fourth Proportional to 35,775.30, 49,372.23 and 20,668.59

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Solution

The fourth proportional to 35,775.30, 49,372.23 and 20,668.59 is: 28,523.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.30 : 49,372.23 = 20,668.59 : x
  2. Step 2: Convert to fraction form
    35,775.30/49,372.23 = 20,668.59/x
  3. Step 3: Cross multiply
    35,775.30x = 49,372.23 × 20,668.59
  4. Step 4: Simplify right side
    35,775.30x = 1,020,454,379.26
  5. Step 5: Solve for x
    x = 1,020,454,379.26/35,775.30
  6. Step 6: Final answer
    x = 28,523.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.