Home / 43,325.73-64,938.78-19,902.96

Finding the Fourth Proportional to 43,325.73, 64,938.78 and 19,902.96

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Solution

The fourth proportional to 43,325.73, 64,938.78 and 19,902.96 is: 29,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.73 : 64,938.78 = 19,902.96 : x
  2. Step 2: Convert to fraction form
    43,325.73/64,938.78 = 19,902.96/x
  3. Step 3: Cross multiply
    43,325.73x = 64,938.78 × 19,902.96
  4. Step 4: Simplify right side
    43,325.73x = 1,292,473,940.79
  5. Step 5: Solve for x
    x = 1,292,473,940.79/43,325.73
  6. Step 6: Final answer
    x = 29,831.56

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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.