Home / 35,658.18-49,211.60-19,742.64

Finding the Fourth Proportional to 35,658.18, 49,211.60 and 19,742.64

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Solution

The fourth proportional to 35,658.18, 49,211.60 and 19,742.64 is: 27,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.18 : 49,211.60 = 19,742.64 : x
  2. Step 2: Convert to fraction form
    35,658.18/49,211.60 = 19,742.64/x
  3. Step 3: Cross multiply
    35,658.18x = 49,211.60 × 19,742.64
  4. Step 4: Simplify right side
    35,658.18x = 971,566,902.62
  5. Step 5: Solve for x
    x = 971,566,902.62/35,658.18
  6. Step 6: Final answer
    x = 27,246.68

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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.