Home / 35,049.60-48,369.20-19,134.72

Finding the Fourth Proportional to 35,049.60, 48,369.20 and 19,134.72

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Solution

The fourth proportional to 35,049.60, 48,369.20 and 19,134.72 is: 26,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,049.60 : 48,369.20 = 19,134.72 : x
  2. Step 2: Convert to fraction form
    35,049.60/48,369.20 = 19,134.72/x
  3. Step 3: Cross multiply
    35,049.60x = 48,369.20 × 19,134.72
  4. Step 4: Simplify right side
    35,049.60x = 925,531,098.62
  5. Step 5: Solve for x
    x = 925,531,098.62/35,049.60
  6. Step 6: Final answer
    x = 26,406.32

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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.