Home / 29,303.08-40,438.35-15,874.30

Finding the Fourth Proportional to 29,303.08, 40,438.35 and 15,874.30

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Solution

The fourth proportional to 29,303.08, 40,438.35 and 15,874.30 is: 21,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,303.08 : 40,438.35 = 15,874.30 : x
  2. Step 2: Convert to fraction form
    29,303.08/40,438.35 = 15,874.30/x
  3. Step 3: Cross multiply
    29,303.08x = 40,438.35 × 15,874.30
  4. Step 4: Simplify right side
    29,303.08x = 641,930,398.31
  5. Step 5: Solve for x
    x = 641,930,398.31/29,303.08
  6. Step 6: Final answer
    x = 21,906.59

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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.