Home / 53,513.33-80,220.33-19,760.70

Finding the Fourth Proportional to 53,513.33, 80,220.33 and 19,760.70

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Solution

The fourth proportional to 53,513.33, 80,220.33 and 19,760.70 is: 29,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,513.33 : 80,220.33 = 19,760.70 : x
  2. Step 2: Convert to fraction form
    53,513.33/80,220.33 = 19,760.70/x
  3. Step 3: Cross multiply
    53,513.33x = 80,220.33 × 19,760.70
  4. Step 4: Simplify right side
    53,513.33x = 1,585,209,875.03
  5. Step 5: Solve for x
    x = 1,585,209,875.03/53,513.33
  6. Step 6: Final answer
    x = 29,622.71

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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.