Home / 55,301.78-76,292.20-37,390.26

Finding the Fourth Proportional to 55,301.78, 76,292.20 and 37,390.26

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Solution

The fourth proportional to 55,301.78, 76,292.20 and 37,390.26 is: 51,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301.78 : 76,292.20 = 37,390.26 : x
  2. Step 2: Convert to fraction form
    55,301.78/76,292.20 = 37,390.26/x
  3. Step 3: Cross multiply
    55,301.78x = 76,292.20 × 37,390.26
  4. Step 4: Simplify right side
    55,301.78x = 2,852,585,193.97
  5. Step 5: Solve for x
    x = 2,852,585,193.97/55,301.78
  6. Step 6: Final answer
    x = 51,582.16

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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.