Home / 40,836.96-61,226.64-15,856.20

Finding the Fourth Proportional to 40,836.96, 61,226.64 and 15,856.20

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Solution

The fourth proportional to 40,836.96, 61,226.64 and 15,856.20 is: 23,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,836.96 : 61,226.64 = 15,856.20 : x
  2. Step 2: Convert to fraction form
    40,836.96/61,226.64 = 15,856.20/x
  3. Step 3: Cross multiply
    40,836.96x = 61,226.64 × 15,856.20
  4. Step 4: Simplify right side
    40,836.96x = 970,821,849.17
  5. Step 5: Solve for x
    x = 970,821,849.17/40,836.96
  6. Step 6: Final answer
    x = 23,773.12

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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.