Home / 41,731.20-62,742.60-40,856.40

Finding the Fourth Proportional to 41,731.20, 62,742.60 and 40,856.40

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Solution

The fourth proportional to 41,731.20, 62,742.60 and 40,856.40 is: 61,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,731.20 : 62,742.60 = 40,856.40 : x
  2. Step 2: Convert to fraction form
    41,731.20/62,742.60 = 40,856.40/x
  3. Step 3: Cross multiply
    41,731.20x = 62,742.60 × 40,856.40
  4. Step 4: Simplify right side
    41,731.20x = 2,563,436,762.64
  5. Step 5: Solve for x
    x = 2,563,436,762.64/41,731.20
  6. Step 6: Final answer
    x = 61,427.34

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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.