Home / 29,369.10-40,508.40-20,741.40

Finding the Fourth Proportional to 29,369.10, 40,508.40 and 20,741.40

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Solution

The fourth proportional to 29,369.10, 40,508.40 and 20,741.40 is: 28,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.10 : 40,508.40 = 20,741.40 : x
  2. Step 2: Convert to fraction form
    29,369.10/40,508.40 = 20,741.40/x
  3. Step 3: Cross multiply
    29,369.10x = 40,508.40 × 20,741.40
  4. Step 4: Simplify right side
    29,369.10x = 840,200,927.76
  5. Step 5: Solve for x
    x = 840,200,927.76/29,369.10
  6. Step 6: Final answer
    x = 28,608.33

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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.