Home / 53,862.90-80,801.01-18,330.18

Finding the Fourth Proportional to 53,862.90, 80,801.01 and 18,330.18

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Solution

The fourth proportional to 53,862.90, 80,801.01 and 18,330.18 is: 27,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.90 : 80,801.01 = 18,330.18 : x
  2. Step 2: Convert to fraction form
    53,862.90/80,801.01 = 18,330.18/x
  3. Step 3: Cross multiply
    53,862.90x = 80,801.01 × 18,330.18
  4. Step 4: Simplify right side
    53,862.90x = 1,481,097,057.48
  5. Step 5: Solve for x
    x = 1,481,097,057.48/53,862.90
  6. Step 6: Final answer
    x = 27,497.54

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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.